Home / 3,761.82-5,191.80-2,270.58

Finding the Fourth Proportional to 3,761.82, 5,191.80 and 2,270.58

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Solution

The fourth proportional to 3,761.82, 5,191.80 and 2,270.58 is: 3,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.82 : 5,191.80 = 2,270.58 : x
  2. Step 2: Convert to fraction form
    3,761.82/5,191.80 = 2,270.58/x
  3. Step 3: Cross multiply
    3,761.82x = 5,191.80 × 2,270.58
  4. Step 4: Simplify right side
    3,761.82x = 11,788,397.24
  5. Step 5: Solve for x
    x = 11,788,397.24/3,761.82
  6. Step 6: Final answer
    x = 3,133.70

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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.