Home / 2,569.20-3,857-2,451.52

Finding the Fourth Proportional to 2,569.20, 3,857 and 2,451.52

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Solution

The fourth proportional to 2,569.20, 3,857 and 2,451.52 is: 3,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.20 : 3,857 = 2,451.52 : x
  2. Step 2: Convert to fraction form
    2,569.20/3,857 = 2,451.52/x
  3. Step 3: Cross multiply
    2,569.20x = 3,857 × 2,451.52
  4. Step 4: Simplify right side
    2,569.20x = 9,455,512.64
  5. Step 5: Solve for x
    x = 9,455,512.64/2,569.20
  6. Step 6: Final answer
    x = 3,680.33

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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.