Home / 2,386.25-3,293.20-1,324.12

Finding the Fourth Proportional to 2,386.25, 3,293.20 and 1,324.12

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Solution

The fourth proportional to 2,386.25, 3,293.20 and 1,324.12 is: 1,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.25 : 3,293.20 = 1,324.12 : x
  2. Step 2: Convert to fraction form
    2,386.25/3,293.20 = 1,324.12/x
  3. Step 3: Cross multiply
    2,386.25x = 3,293.20 × 1,324.12
  4. Step 4: Simplify right side
    2,386.25x = 4,360,591.98
  5. Step 5: Solve for x
    x = 4,360,591.98/2,386.25
  6. Step 6: Final answer
    x = 1,827.38

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Half scale
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Double scale
Find fourth proportional to 2,387.25, 3,294.58 and 1,325.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.