Home / 2,247.23-3,101.19-1,252.71

Finding the Fourth Proportional to 2,247.23, 3,101.19 and 1,252.71

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Solution

The fourth proportional to 2,247.23, 3,101.19 and 1,252.71 is: 1,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.23 : 3,101.19 = 1,252.71 : x
  2. Step 2: Convert to fraction form
    2,247.23/3,101.19 = 1,252.71/x
  3. Step 3: Cross multiply
    2,247.23x = 3,101.19 × 1,252.71
  4. Step 4: Simplify right side
    2,247.23x = 3,884,887.03
  5. Step 5: Solve for x
    x = 3,884,887.03/2,247.23
  6. Step 6: Final answer
    x = 1,728.74

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1.5x scale

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.