Home / 3,937.65-5,432.49-2,258.46

Finding the Fourth Proportional to 3,937.65, 5,432.49 and 2,258.46

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Solution

The fourth proportional to 3,937.65, 5,432.49 and 2,258.46 is: 3,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.65 : 5,432.49 = 2,258.46 : x
  2. Step 2: Convert to fraction form
    3,937.65/5,432.49 = 2,258.46/x
  3. Step 3: Cross multiply
    3,937.65x = 5,432.49 × 2,258.46
  4. Step 4: Simplify right side
    3,937.65x = 12,269,061.37
  5. Step 5: Solve for x
    x = 12,269,061.37/3,937.65
  6. Step 6: Final answer
    x = 3,115.83

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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.