Home / 2,248.82-3,102.21-1,339.88

Finding the Fourth Proportional to 2,248.82, 3,102.21 and 1,339.88

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Solution

The fourth proportional to 2,248.82, 3,102.21 and 1,339.88 is: 1,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.82 : 3,102.21 = 1,339.88 : x
  2. Step 2: Convert to fraction form
    2,248.82/3,102.21 = 1,339.88/x
  3. Step 3: Cross multiply
    2,248.82x = 3,102.21 × 1,339.88
  4. Step 4: Simplify right side
    2,248.82x = 4,156,589.13
  5. Step 5: Solve for x
    x = 4,156,589.13/2,248.82
  6. Step 6: Final answer
    x = 1,848.34

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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.