Home / 3,691.60-5,537.40-2,525.20

Finding the Fourth Proportional to 3,691.60, 5,537.40 and 2,525.20

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Solution

The fourth proportional to 3,691.60, 5,537.40 and 2,525.20 is: 3,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.60 : 5,537.40 = 2,525.20 : x
  2. Step 2: Convert to fraction form
    3,691.60/5,537.40 = 2,525.20/x
  3. Step 3: Cross multiply
    3,691.60x = 5,537.40 × 2,525.20
  4. Step 4: Simplify right side
    3,691.60x = 13,983,042.48
  5. Step 5: Solve for x
    x = 13,983,042.48/3,691.60
  6. Step 6: Final answer
    x = 3,787.80

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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.