Home / 2,557.71-3,837.65-1,519.70

Finding the Fourth Proportional to 2,557.71, 3,837.65 and 1,519.70

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Solution

The fourth proportional to 2,557.71, 3,837.65 and 1,519.70 is: 2,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.71 : 3,837.65 = 1,519.70 : x
  2. Step 2: Convert to fraction form
    2,557.71/3,837.65 = 1,519.70/x
  3. Step 3: Cross multiply
    2,557.71x = 3,837.65 × 1,519.70
  4. Step 4: Simplify right side
    2,557.71x = 5,832,049.92
  5. Step 5: Solve for x
    x = 5,832,049.92/2,557.71
  6. Step 6: Final answer
    x = 2,280.18

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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.