Home / 3,939.08-5,432.14-2,592.28

Finding the Fourth Proportional to 3,939.08, 5,432.14 and 2,592.28

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Solution

The fourth proportional to 3,939.08, 5,432.14 and 2,592.28 is: 3,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.08 : 5,432.14 = 2,592.28 : x
  2. Step 2: Convert to fraction form
    3,939.08/5,432.14 = 2,592.28/x
  3. Step 3: Cross multiply
    3,939.08x = 5,432.14 × 2,592.28
  4. Step 4: Simplify right side
    3,939.08x = 14,081,627.88
  5. Step 5: Solve for x
    x = 14,081,627.88/3,939.08
  6. Step 6: Final answer
    x = 3,574.85

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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.