Home / 4,331.44-5,978.28-2,540.08

Finding the Fourth Proportional to 4,331.44, 5,978.28 and 2,540.08

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Solution

The fourth proportional to 4,331.44, 5,978.28 and 2,540.08 is: 3,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.44 : 5,978.28 = 2,540.08 : x
  2. Step 2: Convert to fraction form
    4,331.44/5,978.28 = 2,540.08/x
  3. Step 3: Cross multiply
    4,331.44x = 5,978.28 × 2,540.08
  4. Step 4: Simplify right side
    4,331.44x = 15,185,309.46
  5. Step 5: Solve for x
    x = 15,185,309.46/4,331.44
  6. Step 6: Final answer
    x = 3,505.83

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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.