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Finding the Fourth Proportional to 2,293.90, 3,440.85 and 833.38

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Solution

The fourth proportional to 2,293.90, 3,440.85 and 833.38 is: 1,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.90 : 3,440.85 = 833.38 : x
  2. Step 2: Convert to fraction form
    2,293.90/3,440.85 = 833.38/x
  3. Step 3: Cross multiply
    2,293.90x = 3,440.85 × 833.38
  4. Step 4: Simplify right side
    2,293.90x = 2,867,535.57
  5. Step 5: Solve for x
    x = 2,867,535.57/2,293.90
  6. Step 6: Final answer
    x = 1,250.07

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,294.90, 3,442.35 and 834.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.