Home / 1,459.38-2,189.31-581.88

Finding the Fourth Proportional to 1,459.38, 2,189.31 and 581.88

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Solution

The fourth proportional to 1,459.38, 2,189.31 and 581.88 is: 872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.38 : 2,189.31 = 581.88 : x
  2. Step 2: Convert to fraction form
    1,459.38/2,189.31 = 581.88/x
  3. Step 3: Cross multiply
    1,459.38x = 2,189.31 × 581.88
  4. Step 4: Simplify right side
    1,459.38x = 1,273,925.00
  5. Step 5: Solve for x
    x = 1,273,925.00/1,459.38
  6. Step 6: Final answer
    x = 872.92

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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.