Home / 3,610.60-5,415.90-3,572.20

Finding the Fourth Proportional to 3,610.60, 5,415.90 and 3,572.20

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Solution

The fourth proportional to 3,610.60, 5,415.90 and 3,572.20 is: 5,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.60 : 5,415.90 = 3,572.20 : x
  2. Step 2: Convert to fraction form
    3,610.60/5,415.90 = 3,572.20/x
  3. Step 3: Cross multiply
    3,610.60x = 5,415.90 × 3,572.20
  4. Step 4: Simplify right side
    3,610.60x = 19,346,677.98
  5. Step 5: Solve for x
    x = 19,346,677.98/3,610.60
  6. Step 6: Final answer
    x = 5,358.30

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Similar ratio
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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.