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Finding the Fourth Proportional to 2,726, 3,761.92 and 1,484

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Solution

The fourth proportional to 2,726, 3,761.92 and 1,484 is: 2,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726 : 3,761.92 = 1,484 : x
  2. Step 2: Convert to fraction form
    2,726/3,761.92 = 1,484/x
  3. Step 3: Cross multiply
    2,726x = 3,761.92 × 1,484
  4. Step 4: Simplify right side
    2,726x = 5,582,689.28
  5. Step 5: Solve for x
    x = 5,582,689.28/2,726
  6. Step 6: Final answer
    x = 2,047.94

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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.