Home / 3,081.17-4,251.98-1,754.96

Finding the Fourth Proportional to 3,081.17, 4,251.98 and 1,754.96

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Solution

The fourth proportional to 3,081.17, 4,251.98 and 1,754.96 is: 2,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.17 : 4,251.98 = 1,754.96 : x
  2. Step 2: Convert to fraction form
    3,081.17/4,251.98 = 1,754.96/x
  3. Step 3: Cross multiply
    3,081.17x = 4,251.98 × 1,754.96
  4. Step 4: Simplify right side
    3,081.17x = 7,462,037.95
  5. Step 5: Solve for x
    x = 7,462,037.95/3,081.17
  6. Step 6: Final answer
    x = 2,421.82

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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.