Home / 2,433.81-3,358.95-1,385.67

Finding the Fourth Proportional to 2,433.81, 3,358.95 and 1,385.67

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Solution

The fourth proportional to 2,433.81, 3,358.95 and 1,385.67 is: 1,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.81 : 3,358.95 = 1,385.67 : x
  2. Step 2: Convert to fraction form
    2,433.81/3,358.95 = 1,385.67/x
  3. Step 3: Cross multiply
    2,433.81x = 3,358.95 × 1,385.67
  4. Step 4: Simplify right side
    2,433.81x = 4,654,396.25
  5. Step 5: Solve for x
    x = 4,654,396.25/2,433.81
  6. Step 6: Final answer
    x = 1,912.39

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Half scale
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Double scale
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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.