Home / 2,891.38-4,335.31-1,134.28

Finding the Fourth Proportional to 2,891.38, 4,335.31 and 1,134.28

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Solution

The fourth proportional to 2,891.38, 4,335.31 and 1,134.28 is: 1,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.38 : 4,335.31 = 1,134.28 : x
  2. Step 2: Convert to fraction form
    2,891.38/4,335.31 = 1,134.28/x
  3. Step 3: Cross multiply
    2,891.38x = 4,335.31 × 1,134.28
  4. Step 4: Simplify right side
    2,891.38x = 4,917,441.75
  5. Step 5: Solve for x
    x = 4,917,441.75/2,891.38
  6. Step 6: Final answer
    x = 1,700.73

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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.