Home / 3,728.31-5,144.36-2,548.95

Finding the Fourth Proportional to 3,728.31, 5,144.36 and 2,548.95

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Solution

The fourth proportional to 3,728.31, 5,144.36 and 2,548.95 is: 3,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.31 : 5,144.36 = 2,548.95 : x
  2. Step 2: Convert to fraction form
    3,728.31/5,144.36 = 2,548.95/x
  3. Step 3: Cross multiply
    3,728.31x = 5,144.36 × 2,548.95
  4. Step 4: Simplify right side
    3,728.31x = 13,112,703.68
  5. Step 5: Solve for x
    x = 13,112,703.68/3,728.31
  6. Step 6: Final answer
    x = 3,517.06

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1.5x scale

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.