Home / 1,614.50-2,227.92-1,172.96

Finding the Fourth Proportional to 1,614.50, 2,227.92 and 1,172.96

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Solution

The fourth proportional to 1,614.50, 2,227.92 and 1,172.96 is: 1,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.50 : 2,227.92 = 1,172.96 : x
  2. Step 2: Convert to fraction form
    1,614.50/2,227.92 = 1,172.96/x
  3. Step 3: Cross multiply
    1,614.50x = 2,227.92 × 1,172.96
  4. Step 4: Simplify right side
    1,614.50x = 2,613,261.04
  5. Step 5: Solve for x
    x = 2,613,261.04/1,614.50
  6. Step 6: Final answer
    x = 1,618.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.