Home / 2,248.09-3,102.22-1,253.31

Finding the Fourth Proportional to 2,248.09, 3,102.22 and 1,253.31

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Solution

The fourth proportional to 2,248.09, 3,102.22 and 1,253.31 is: 1,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.09 : 3,102.22 = 1,253.31 : x
  2. Step 2: Convert to fraction form
    2,248.09/3,102.22 = 1,253.31/x
  3. Step 3: Cross multiply
    2,248.09x = 3,102.22 × 1,253.31
  4. Step 4: Simplify right side
    2,248.09x = 3,888,026.23
  5. Step 5: Solve for x
    x = 3,888,026.23/2,248.09
  6. Step 6: Final answer
    x = 1,729.48

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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.