Home / 1,082.18-1,619.90-587.35

Finding the Fourth Proportional to 1,082.18, 1,619.90 and 587.35

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Solution

The fourth proportional to 1,082.18, 1,619.90 and 587.35 is: 879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.18 : 1,619.90 = 587.35 : x
  2. Step 2: Convert to fraction form
    1,082.18/1,619.90 = 587.35/x
  3. Step 3: Cross multiply
    1,082.18x = 1,619.90 × 587.35
  4. Step 4: Simplify right side
    1,082.18x = 951,449.56
  5. Step 5: Solve for x
    x = 951,449.56/1,082.18
  6. Step 6: Final answer
    x = 879.20

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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.