Home / 3,127.44-4,691.72-1,047.24

Finding the Fourth Proportional to 3,127.44, 4,691.72 and 1,047.24

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Solution

The fourth proportional to 3,127.44, 4,691.72 and 1,047.24 is: 1,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.44 : 4,691.72 = 1,047.24 : x
  2. Step 2: Convert to fraction form
    3,127.44/4,691.72 = 1,047.24/x
  3. Step 3: Cross multiply
    3,127.44x = 4,691.72 × 1,047.24
  4. Step 4: Simplify right side
    3,127.44x = 4,913,356.85
  5. Step 5: Solve for x
    x = 4,913,356.85/3,127.44
  6. Step 6: Final answer
    x = 1,571.05

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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.