Home / 3,938.49-5,432.71-2,344.07

Finding the Fourth Proportional to 3,938.49, 5,432.71 and 2,344.07

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Solution

The fourth proportional to 3,938.49, 5,432.71 and 2,344.07 is: 3,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.49 : 5,432.71 = 2,344.07 : x
  2. Step 2: Convert to fraction form
    3,938.49/5,432.71 = 2,344.07/x
  3. Step 3: Cross multiply
    3,938.49x = 5,432.71 × 2,344.07
  4. Step 4: Simplify right side
    3,938.49x = 12,734,652.53
  5. Step 5: Solve for x
    x = 12,734,652.53/3,938.49
  6. Step 6: Final answer
    x = 3,233.38

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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.