Home / 2,721.72-4,076.04-1,563.96

Finding the Fourth Proportional to 2,721.72, 4,076.04 and 1,563.96

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Solution

The fourth proportional to 2,721.72, 4,076.04 and 1,563.96 is: 2,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.72 : 4,076.04 = 1,563.96 : x
  2. Step 2: Convert to fraction form
    2,721.72/4,076.04 = 1,563.96/x
  3. Step 3: Cross multiply
    2,721.72x = 4,076.04 × 1,563.96
  4. Step 4: Simplify right side
    2,721.72x = 6,374,763.52
  5. Step 5: Solve for x
    x = 6,374,763.52/2,721.72
  6. Step 6: Final answer
    x = 2,342.18

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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.