Home / 3,151.25-4,726.46-1,071.17

Finding the Fourth Proportional to 3,151.25, 4,726.46 and 1,071.17

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Solution

The fourth proportional to 3,151.25, 4,726.46 and 1,071.17 is: 1,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.25 : 4,726.46 = 1,071.17 : x
  2. Step 2: Convert to fraction form
    3,151.25/4,726.46 = 1,071.17/x
  3. Step 3: Cross multiply
    3,151.25x = 4,726.46 × 1,071.17
  4. Step 4: Simplify right side
    3,151.25x = 5,062,836.80
  5. Step 5: Solve for x
    x = 5,062,836.80/3,151.25
  6. Step 6: Final answer
    x = 1,606.61

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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.