Home / 3,747.05-5,170.92-2,068.45

Finding the Fourth Proportional to 3,747.05, 5,170.92 and 2,068.45

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Solution

The fourth proportional to 3,747.05, 5,170.92 and 2,068.45 is: 2,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.05 : 5,170.92 = 2,068.45 : x
  2. Step 2: Convert to fraction form
    3,747.05/5,170.92 = 2,068.45/x
  3. Step 3: Cross multiply
    3,747.05x = 5,170.92 × 2,068.45
  4. Step 4: Simplify right side
    3,747.05x = 10,695,789.47
  5. Step 5: Solve for x
    x = 10,695,789.47/3,747.05
  6. Step 6: Final answer
    x = 2,854.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.