Home / 2,932.11-4,398.51-1,288.46

Finding the Fourth Proportional to 2,932.11, 4,398.51 and 1,288.46

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Solution

The fourth proportional to 2,932.11, 4,398.51 and 1,288.46 is: 1,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.11 : 4,398.51 = 1,288.46 : x
  2. Step 2: Convert to fraction form
    2,932.11/4,398.51 = 1,288.46/x
  3. Step 3: Cross multiply
    2,932.11x = 4,398.51 × 1,288.46
  4. Step 4: Simplify right side
    2,932.11x = 5,667,282.20
  5. Step 5: Solve for x
    x = 5,667,282.20/2,932.11
  6. Step 6: Final answer
    x = 1,932.83

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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.