Home / 2,712.48-4,063.89-1,248.54

Finding the Fourth Proportional to 2,712.48, 4,063.89 and 1,248.54

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Solution

The fourth proportional to 2,712.48, 4,063.89 and 1,248.54 is: 1,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.48 : 4,063.89 = 1,248.54 : x
  2. Step 2: Convert to fraction form
    2,712.48/4,063.89 = 1,248.54/x
  3. Step 3: Cross multiply
    2,712.48x = 4,063.89 × 1,248.54
  4. Step 4: Simplify right side
    2,712.48x = 5,073,902.66
  5. Step 5: Solve for x
    x = 5,073,902.66/2,712.48
  6. Step 6: Final answer
    x = 1,870.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.