Home / 2,255.72-3,380.02-1,792.32

Finding the Fourth Proportional to 2,255.72, 3,380.02 and 1,792.32

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Solution

The fourth proportional to 2,255.72, 3,380.02 and 1,792.32 is: 2,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.72 : 3,380.02 = 1,792.32 : x
  2. Step 2: Convert to fraction form
    2,255.72/3,380.02 = 1,792.32/x
  3. Step 3: Cross multiply
    2,255.72x = 3,380.02 × 1,792.32
  4. Step 4: Simplify right side
    2,255.72x = 6,058,077.45
  5. Step 5: Solve for x
    x = 6,058,077.45/2,255.72
  6. Step 6: Final answer
    x = 2,685.65

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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.