Home / 2,932.40-4,398.68-1,200.88

Finding the Fourth Proportional to 2,932.40, 4,398.68 and 1,200.88

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Solution

The fourth proportional to 2,932.40, 4,398.68 and 1,200.88 is: 1,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.40 : 4,398.68 = 1,200.88 : x
  2. Step 2: Convert to fraction form
    2,932.40/4,398.68 = 1,200.88/x
  3. Step 3: Cross multiply
    2,932.40x = 4,398.68 × 1,200.88
  4. Step 4: Simplify right side
    2,932.40x = 5,282,286.84
  5. Step 5: Solve for x
    x = 5,282,286.84/2,932.40
  6. Step 6: Final answer
    x = 1,801.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.