Home / 2,353.13-3,530.24-814.13

Finding the Fourth Proportional to 2,353.13, 3,530.24 and 814.13

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Solution

The fourth proportional to 2,353.13, 3,530.24 and 814.13 is: 1,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.13 : 3,530.24 = 814.13 : x
  2. Step 2: Convert to fraction form
    2,353.13/3,530.24 = 814.13/x
  3. Step 3: Cross multiply
    2,353.13x = 3,530.24 × 814.13
  4. Step 4: Simplify right side
    2,353.13x = 2,874,052.57
  5. Step 5: Solve for x
    x = 2,874,052.57/2,353.13
  6. Step 6: Final answer
    x = 1,221.38

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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.