Home / 2,743.66-4,115.06-1,011.88

Finding the Fourth Proportional to 2,743.66, 4,115.06 and 1,011.88

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Solution

The fourth proportional to 2,743.66, 4,115.06 and 1,011.88 is: 1,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.66 : 4,115.06 = 1,011.88 : x
  2. Step 2: Convert to fraction form
    2,743.66/4,115.06 = 1,011.88/x
  3. Step 3: Cross multiply
    2,743.66x = 4,115.06 × 1,011.88
  4. Step 4: Simplify right side
    2,743.66x = 4,163,946.91
  5. Step 5: Solve for x
    x = 4,163,946.91/2,743.66
  6. Step 6: Final answer
    x = 1,517.66

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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.