Home / 3,182.56-4,392.72-2,251.36

Finding the Fourth Proportional to 3,182.56, 4,392.72 and 2,251.36

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Solution

The fourth proportional to 3,182.56, 4,392.72 and 2,251.36 is: 3,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.56 : 4,392.72 = 2,251.36 : x
  2. Step 2: Convert to fraction form
    3,182.56/4,392.72 = 2,251.36/x
  3. Step 3: Cross multiply
    3,182.56x = 4,392.72 × 2,251.36
  4. Step 4: Simplify right side
    3,182.56x = 9,889,594.10
  5. Step 5: Solve for x
    x = 9,889,594.10/3,182.56
  6. Step 6: Final answer
    x = 3,107.43

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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.