Home / 3,687.62-5,084.28-2,506.64

Finding the Fourth Proportional to 3,687.62, 5,084.28 and 2,506.64

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Solution

The fourth proportional to 3,687.62, 5,084.28 and 2,506.64 is: 3,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.62 : 5,084.28 = 2,506.64 : x
  2. Step 2: Convert to fraction form
    3,687.62/5,084.28 = 2,506.64/x
  3. Step 3: Cross multiply
    3,687.62x = 5,084.28 × 2,506.64
  4. Step 4: Simplify right side
    3,687.62x = 12,744,434.20
  5. Step 5: Solve for x
    x = 12,744,434.20/3,687.62
  6. Step 6: Final answer
    x = 3,456.01

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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.