Home / 1,612.91-2,419.37-1,150.91

Finding the Fourth Proportional to 1,612.91, 2,419.37 and 1,150.91

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Solution

The fourth proportional to 1,612.91, 2,419.37 and 1,150.91 is: 1,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.91 : 2,419.37 = 1,150.91 : x
  2. Step 2: Convert to fraction form
    1,612.91/2,419.37 = 1,150.91/x
  3. Step 3: Cross multiply
    1,612.91x = 2,419.37 × 1,150.91
  4. Step 4: Simplify right side
    1,612.91x = 2,784,472.66
  5. Step 5: Solve for x
    x = 2,784,472.66/1,612.91
  6. Step 6: Final answer
    x = 1,726.36

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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.