Home / 3,422.80-4,727.55-2,432.37

Finding the Fourth Proportional to 3,422.80, 4,727.55 and 2,432.37

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Solution

The fourth proportional to 3,422.80, 4,727.55 and 2,432.37 is: 3,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.80 : 4,727.55 = 2,432.37 : x
  2. Step 2: Convert to fraction form
    3,422.80/4,727.55 = 2,432.37/x
  3. Step 3: Cross multiply
    3,422.80x = 4,727.55 × 2,432.37
  4. Step 4: Simplify right side
    3,422.80x = 11,499,177.64
  5. Step 5: Solve for x
    x = 11,499,177.64/3,422.80
  6. Step 6: Final answer
    x = 3,359.58

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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.