Home / 2,248.17-3,102.49-1,253.51

Finding the Fourth Proportional to 2,248.17, 3,102.49 and 1,253.51

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Solution

The fourth proportional to 2,248.17, 3,102.49 and 1,253.51 is: 1,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.17 : 3,102.49 = 1,253.51 : x
  2. Step 2: Convert to fraction form
    2,248.17/3,102.49 = 1,253.51/x
  3. Step 3: Cross multiply
    2,248.17x = 3,102.49 × 1,253.51
  4. Step 4: Simplify right side
    2,248.17x = 3,889,002.24
  5. Step 5: Solve for x
    x = 3,889,002.24/2,248.17
  6. Step 6: Final answer
    x = 1,729.85

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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.