Home / 1,508.46-2,261.53-814.69

Finding the Fourth Proportional to 1,508.46, 2,261.53 and 814.69

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Solution

The fourth proportional to 1,508.46, 2,261.53 and 814.69 is: 1,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.46 : 2,261.53 = 814.69 : x
  2. Step 2: Convert to fraction form
    1,508.46/2,261.53 = 814.69/x
  3. Step 3: Cross multiply
    1,508.46x = 2,261.53 × 814.69
  4. Step 4: Simplify right side
    1,508.46x = 1,842,445.88
  5. Step 5: Solve for x
    x = 1,842,445.88/1,508.46
  6. Step 6: Final answer
    x = 1,221.41

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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.