Home / 3,239.52-4,462.80-2,740.56

Finding the Fourth Proportional to 3,239.52, 4,462.80 and 2,740.56

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Solution

The fourth proportional to 3,239.52, 4,462.80 and 2,740.56 is: 3,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.52 : 4,462.80 = 2,740.56 : x
  2. Step 2: Convert to fraction form
    3,239.52/4,462.80 = 2,740.56/x
  3. Step 3: Cross multiply
    3,239.52x = 4,462.80 × 2,740.56
  4. Step 4: Simplify right side
    3,239.52x = 12,230,571.17
  5. Step 5: Solve for x
    x = 12,230,571.17/3,239.52
  6. Step 6: Final answer
    x = 3,775.43

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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.