Home / 3,747.39-5,171.18-2,068.75

Finding the Fourth Proportional to 3,747.39, 5,171.18 and 2,068.75

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Solution

The fourth proportional to 3,747.39, 5,171.18 and 2,068.75 is: 2,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.39 : 5,171.18 = 2,068.75 : x
  2. Step 2: Convert to fraction form
    3,747.39/5,171.18 = 2,068.75/x
  3. Step 3: Cross multiply
    3,747.39x = 5,171.18 × 2,068.75
  4. Step 4: Simplify right side
    3,747.39x = 10,697,868.28
  5. Step 5: Solve for x
    x = 10,697,868.28/3,747.39
  6. Step 6: Final answer
    x = 2,854.76

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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.