Home / 1,213.38-1,817.25-595.17

Finding the Fourth Proportional to 1,213.38, 1,817.25 and 595.17

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Solution

The fourth proportional to 1,213.38, 1,817.25 and 595.17 is: 891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213.38 : 1,817.25 = 595.17 : x
  2. Step 2: Convert to fraction form
    1,213.38/1,817.25 = 595.17/x
  3. Step 3: Cross multiply
    1,213.38x = 1,817.25 × 595.17
  4. Step 4: Simplify right side
    1,213.38x = 1,081,572.68
  5. Step 5: Solve for x
    x = 1,081,572.68/1,213.38
  6. Step 6: Final answer
    x = 891.37

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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.