Home / 2,247.58-3,101.61-1,252.90

Finding the Fourth Proportional to 2,247.58, 3,101.61 and 1,252.90

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Solution

The fourth proportional to 2,247.58, 3,101.61 and 1,252.90 is: 1,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.58 : 3,101.61 = 1,252.90 : x
  2. Step 2: Convert to fraction form
    2,247.58/3,101.61 = 1,252.90/x
  3. Step 3: Cross multiply
    2,247.58x = 3,101.61 × 1,252.90
  4. Step 4: Simplify right side
    2,247.58x = 3,886,007.17
  5. Step 5: Solve for x
    x = 3,886,007.17/2,247.58
  6. Step 6: Final answer
    x = 1,728.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.