Home / 3,939.10-5,432.88-2,446.18

Finding the Fourth Proportional to 3,939.10, 5,432.88 and 2,446.18

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Solution

The fourth proportional to 3,939.10, 5,432.88 and 2,446.18 is: 3,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.10 : 5,432.88 = 2,446.18 : x
  2. Step 2: Convert to fraction form
    3,939.10/5,432.88 = 2,446.18/x
  3. Step 3: Cross multiply
    3,939.10x = 5,432.88 × 2,446.18
  4. Step 4: Simplify right side
    3,939.10x = 13,289,802.40
  5. Step 5: Solve for x
    x = 13,289,802.40/3,939.10
  6. Step 6: Final answer
    x = 3,373.82

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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.