Home / 3,581.77-5,372.53-1,116.60

Finding the Fourth Proportional to 3,581.77, 5,372.53 and 1,116.60

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Solution

The fourth proportional to 3,581.77, 5,372.53 and 1,116.60 is: 1,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.77 : 5,372.53 = 1,116.60 : x
  2. Step 2: Convert to fraction form
    3,581.77/5,372.53 = 1,116.60/x
  3. Step 3: Cross multiply
    3,581.77x = 5,372.53 × 1,116.60
  4. Step 4: Simplify right side
    3,581.77x = 5,998,974.28
  5. Step 5: Solve for x
    x = 5,998,974.28/3,581.77
  6. Step 6: Final answer
    x = 1,674.86

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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.