Home / 1,177.52-1,753.62-1,106.79

Finding the Fourth Proportional to 1,177.52, 1,753.62 and 1,106.79

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Solution

The fourth proportional to 1,177.52, 1,753.62 and 1,106.79 is: 1,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.52 : 1,753.62 = 1,106.79 : x
  2. Step 2: Convert to fraction form
    1,177.52/1,753.62 = 1,106.79/x
  3. Step 3: Cross multiply
    1,177.52x = 1,753.62 × 1,106.79
  4. Step 4: Simplify right side
    1,177.52x = 1,940,892.62
  5. Step 5: Solve for x
    x = 1,940,892.62/1,177.52
  6. Step 6: Final answer
    x = 1,648.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.