Home / 3,007.20-4,510.82-927.18

Finding the Fourth Proportional to 3,007.20, 4,510.82 and 927.18

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Solution

The fourth proportional to 3,007.20, 4,510.82 and 927.18 is: 1,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.20 : 4,510.82 = 927.18 : x
  2. Step 2: Convert to fraction form
    3,007.20/4,510.82 = 927.18/x
  3. Step 3: Cross multiply
    3,007.20x = 4,510.82 × 927.18
  4. Step 4: Simplify right side
    3,007.20x = 4,182,342.09
  5. Step 5: Solve for x
    x = 4,182,342.09/3,007.20
  6. Step 6: Final answer
    x = 1,390.78

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Similar ratio
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1.5x scale

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.