Home / 2,721-4,079.90-1,486.28

Finding the Fourth Proportional to 2,721, 4,079.90 and 1,486.28

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Solution

The fourth proportional to 2,721, 4,079.90 and 1,486.28 is: 2,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721 : 4,079.90 = 1,486.28 : x
  2. Step 2: Convert to fraction form
    2,721/4,079.90 = 1,486.28/x
  3. Step 3: Cross multiply
    2,721x = 4,079.90 × 1,486.28
  4. Step 4: Simplify right side
    2,721x = 6,063,873.77
  5. Step 5: Solve for x
    x = 6,063,873.77/2,721
  6. Step 6: Final answer
    x = 2,228.55

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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.