Home / 3,581.60-5,372.40-1,116.62

Finding the Fourth Proportional to 3,581.60, 5,372.40 and 1,116.62

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Solution

The fourth proportional to 3,581.60, 5,372.40 and 1,116.62 is: 1,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.60 : 5,372.40 = 1,116.62 : x
  2. Step 2: Convert to fraction form
    3,581.60/5,372.40 = 1,116.62/x
  3. Step 3: Cross multiply
    3,581.60x = 5,372.40 × 1,116.62
  4. Step 4: Simplify right side
    3,581.60x = 5,998,929.29
  5. Step 5: Solve for x
    x = 5,998,929.29/3,581.60
  6. Step 6: Final answer
    x = 1,674.93

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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.