Home / 3,143.79-4,711.77-2,752.88

Finding the Fourth Proportional to 3,143.79, 4,711.77 and 2,752.88

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Solution

The fourth proportional to 3,143.79, 4,711.77 and 2,752.88 is: 4,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.79 : 4,711.77 = 2,752.88 : x
  2. Step 2: Convert to fraction form
    3,143.79/4,711.77 = 2,752.88/x
  3. Step 3: Cross multiply
    3,143.79x = 4,711.77 × 2,752.88
  4. Step 4: Simplify right side
    3,143.79x = 12,970,913.84
  5. Step 5: Solve for x
    x = 12,970,913.84/3,143.79
  6. Step 6: Final answer
    x = 4,125.88

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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.