Home / 3,729.40-5,143.49-2,532.42

Finding the Fourth Proportional to 3,729.40, 5,143.49 and 2,532.42

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Solution

The fourth proportional to 3,729.40, 5,143.49 and 2,532.42 is: 3,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.40 : 5,143.49 = 2,532.42 : x
  2. Step 2: Convert to fraction form
    3,729.40/5,143.49 = 2,532.42/x
  3. Step 3: Cross multiply
    3,729.40x = 5,143.49 × 2,532.42
  4. Step 4: Simplify right side
    3,729.40x = 13,025,476.95
  5. Step 5: Solve for x
    x = 13,025,476.95/3,729.40
  6. Step 6: Final answer
    x = 3,492.65

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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.