Home / 4,231.97-5,840.76-2,638.88

Finding the Fourth Proportional to 4,231.97, 5,840.76 and 2,638.88

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Solution

The fourth proportional to 4,231.97, 5,840.76 and 2,638.88 is: 3,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.97 : 5,840.76 = 2,638.88 : x
  2. Step 2: Convert to fraction form
    4,231.97/5,840.76 = 2,638.88/x
  3. Step 3: Cross multiply
    4,231.97x = 5,840.76 × 2,638.88
  4. Step 4: Simplify right side
    4,231.97x = 15,413,035.55
  5. Step 5: Solve for x
    x = 15,413,035.55/4,231.97
  6. Step 6: Final answer
    x = 3,642.05

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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.