Home / 2,743.60-4,115.40-1,011.52

Finding the Fourth Proportional to 2,743.60, 4,115.40 and 1,011.52

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Solution

The fourth proportional to 2,743.60, 4,115.40 and 1,011.52 is: 1,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.60 : 4,115.40 = 1,011.52 : x
  2. Step 2: Convert to fraction form
    2,743.60/4,115.40 = 1,011.52/x
  3. Step 3: Cross multiply
    2,743.60x = 4,115.40 × 1,011.52
  4. Step 4: Simplify right side
    2,743.60x = 4,162,809.41
  5. Step 5: Solve for x
    x = 4,162,809.41/2,743.60
  6. Step 6: Final answer
    x = 1,517.28

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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.