Home / 2,712.31-4,062.76-1,724.62

Finding the Fourth Proportional to 2,712.31, 4,062.76 and 1,724.62

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Solution

The fourth proportional to 2,712.31, 4,062.76 and 1,724.62 is: 2,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.31 : 4,062.76 = 1,724.62 : x
  2. Step 2: Convert to fraction form
    2,712.31/4,062.76 = 1,724.62/x
  3. Step 3: Cross multiply
    2,712.31x = 4,062.76 × 1,724.62
  4. Step 4: Simplify right side
    2,712.31x = 7,006,717.15
  5. Step 5: Solve for x
    x = 7,006,717.15/2,712.31
  6. Step 6: Final answer
    x = 2,583.30

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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.