Home / 2,934.34-4,399.92-1,288.96

Finding the Fourth Proportional to 2,934.34, 4,399.92 and 1,288.96

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Solution

The fourth proportional to 2,934.34, 4,399.92 and 1,288.96 is: 1,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.34 : 4,399.92 = 1,288.96 : x
  2. Step 2: Convert to fraction form
    2,934.34/4,399.92 = 1,288.96/x
  3. Step 3: Cross multiply
    2,934.34x = 4,399.92 × 1,288.96
  4. Step 4: Simplify right side
    2,934.34x = 5,671,320.88
  5. Step 5: Solve for x
    x = 5,671,320.88/2,934.34
  6. Step 6: Final answer
    x = 1,932.74

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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.