Home / 3,487.80-5,227.44-2,442.12

Finding the Fourth Proportional to 3,487.80, 5,227.44 and 2,442.12

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Solution

The fourth proportional to 3,487.80, 5,227.44 and 2,442.12 is: 3,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.80 : 5,227.44 = 2,442.12 : x
  2. Step 2: Convert to fraction form
    3,487.80/5,227.44 = 2,442.12/x
  3. Step 3: Cross multiply
    3,487.80x = 5,227.44 × 2,442.12
  4. Step 4: Simplify right side
    3,487.80x = 12,766,035.77
  5. Step 5: Solve for x
    x = 12,766,035.77/3,487.80
  6. Step 6: Final answer
    x = 3,660.20

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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.