Home / 3,784.52-5,676.13-1,151.39

Finding the Fourth Proportional to 3,784.52, 5,676.13 and 1,151.39

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Solution

The fourth proportional to 3,784.52, 5,676.13 and 1,151.39 is: 1,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.52 : 5,676.13 = 1,151.39 : x
  2. Step 2: Convert to fraction form
    3,784.52/5,676.13 = 1,151.39/x
  3. Step 3: Cross multiply
    3,784.52x = 5,676.13 × 1,151.39
  4. Step 4: Simplify right side
    3,784.52x = 6,535,451.77
  5. Step 5: Solve for x
    x = 6,535,451.77/3,784.52
  6. Step 6: Final answer
    x = 1,726.89

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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.