Home / 2,248.23-3,102.66-1,253.49

Finding the Fourth Proportional to 2,248.23, 3,102.66 and 1,253.49

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Solution

The fourth proportional to 2,248.23, 3,102.66 and 1,253.49 is: 1,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.23 : 3,102.66 = 1,253.49 : x
  2. Step 2: Convert to fraction form
    2,248.23/3,102.66 = 1,253.49/x
  3. Step 3: Cross multiply
    2,248.23x = 3,102.66 × 1,253.49
  4. Step 4: Simplify right side
    2,248.23x = 3,889,153.28
  5. Step 5: Solve for x
    x = 3,889,153.28/2,248.23
  6. Step 6: Final answer
    x = 1,729.87

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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.