Home / 1,614.92-2,423.82-1,128.36

Finding the Fourth Proportional to 1,614.92, 2,423.82 and 1,128.36

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Solution

The fourth proportional to 1,614.92, 2,423.82 and 1,128.36 is: 1,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.92 : 2,423.82 = 1,128.36 : x
  2. Step 2: Convert to fraction form
    1,614.92/2,423.82 = 1,128.36/x
  3. Step 3: Cross multiply
    1,614.92x = 2,423.82 × 1,128.36
  4. Step 4: Simplify right side
    1,614.92x = 2,734,941.54
  5. Step 5: Solve for x
    x = 2,734,941.54/1,614.92
  6. Step 6: Final answer
    x = 1,693.55

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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.