Home / 3,490.12-5,232.42-2,391.16

Finding the Fourth Proportional to 3,490.12, 5,232.42 and 2,391.16

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Solution

The fourth proportional to 3,490.12, 5,232.42 and 2,391.16 is: 3,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.12 : 5,232.42 = 2,391.16 : x
  2. Step 2: Convert to fraction form
    3,490.12/5,232.42 = 2,391.16/x
  3. Step 3: Cross multiply
    3,490.12x = 5,232.42 × 2,391.16
  4. Step 4: Simplify right side
    3,490.12x = 12,511,553.41
  5. Step 5: Solve for x
    x = 12,511,553.41/3,490.12
  6. Step 6: Final answer
    x = 3,584.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.