Home / 3,115.52-4,673.14-1,167.56

Finding the Fourth Proportional to 3,115.52, 4,673.14 and 1,167.56

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Solution

The fourth proportional to 3,115.52, 4,673.14 and 1,167.56 is: 1,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.52 : 4,673.14 = 1,167.56 : x
  2. Step 2: Convert to fraction form
    3,115.52/4,673.14 = 1,167.56/x
  3. Step 3: Cross multiply
    3,115.52x = 4,673.14 × 1,167.56
  4. Step 4: Simplify right side
    3,115.52x = 5,456,171.34
  5. Step 5: Solve for x
    x = 5,456,171.34/3,115.52
  6. Step 6: Final answer
    x = 1,751.29

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1.5x scale

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.