Home / 3,966.10-5,471.62-2,705.13

Finding the Fourth Proportional to 3,966.10, 5,471.62 and 2,705.13

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Solution

The fourth proportional to 3,966.10, 5,471.62 and 2,705.13 is: 3,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.10 : 5,471.62 = 2,705.13 : x
  2. Step 2: Convert to fraction form
    3,966.10/5,471.62 = 2,705.13/x
  3. Step 3: Cross multiply
    3,966.10x = 5,471.62 × 2,705.13
  4. Step 4: Simplify right side
    3,966.10x = 14,801,436.65
  5. Step 5: Solve for x
    x = 14,801,436.65/3,966.10
  6. Step 6: Final answer
    x = 3,731.99

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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.