Home / 3,581.75-5,372.40-1,116.22

Finding the Fourth Proportional to 3,581.75, 5,372.40 and 1,116.22

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Solution

The fourth proportional to 3,581.75, 5,372.40 and 1,116.22 is: 1,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.75 : 5,372.40 = 1,116.22 : x
  2. Step 2: Convert to fraction form
    3,581.75/5,372.40 = 1,116.22/x
  3. Step 3: Cross multiply
    3,581.75x = 5,372.40 × 1,116.22
  4. Step 4: Simplify right side
    3,581.75x = 5,996,780.33
  5. Step 5: Solve for x
    x = 5,996,780.33/3,581.75
  6. Step 6: Final answer
    x = 1,674.26

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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.