Home / 3,747.51-5,171.34-2,068.88

Finding the Fourth Proportional to 3,747.51, 5,171.34 and 2,068.88

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Solution

The fourth proportional to 3,747.51, 5,171.34 and 2,068.88 is: 2,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.51 : 5,171.34 = 2,068.88 : x
  2. Step 2: Convert to fraction form
    3,747.51/5,171.34 = 2,068.88/x
  3. Step 3: Cross multiply
    3,747.51x = 5,171.34 × 2,068.88
  4. Step 4: Simplify right side
    3,747.51x = 10,698,874.14
  5. Step 5: Solve for x
    x = 10,698,874.14/3,747.51
  6. Step 6: Final answer
    x = 2,854.93

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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.