Home / 2,731.46-4,097.18-2,319.57

Finding the Fourth Proportional to 2,731.46, 4,097.18 and 2,319.57

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Solution

The fourth proportional to 2,731.46, 4,097.18 and 2,319.57 is: 3,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.46 : 4,097.18 = 2,319.57 : x
  2. Step 2: Convert to fraction form
    2,731.46/4,097.18 = 2,319.57/x
  3. Step 3: Cross multiply
    2,731.46x = 4,097.18 × 2,319.57
  4. Step 4: Simplify right side
    2,731.46x = 9,503,701.61
  5. Step 5: Solve for x
    x = 9,503,701.61/2,731.46
  6. Step 6: Final answer
    x = 3,479.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.