Home / 3,447.24-4,757.70-2,782.02

Finding the Fourth Proportional to 3,447.24, 4,757.70 and 2,782.02

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Solution

The fourth proportional to 3,447.24, 4,757.70 and 2,782.02 is: 3,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.24 : 4,757.70 = 2,782.02 : x
  2. Step 2: Convert to fraction form
    3,447.24/4,757.70 = 2,782.02/x
  3. Step 3: Cross multiply
    3,447.24x = 4,757.70 × 2,782.02
  4. Step 4: Simplify right side
    3,447.24x = 13,236,016.55
  5. Step 5: Solve for x
    x = 13,236,016.55/3,447.24
  6. Step 6: Final answer
    x = 3,839.60

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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.