Home / 2,251.32-3,374.66-864.28

Finding the Fourth Proportional to 2,251.32, 3,374.66 and 864.28

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Solution

The fourth proportional to 2,251.32, 3,374.66 and 864.28 is: 1,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.32 : 3,374.66 = 864.28 : x
  2. Step 2: Convert to fraction form
    2,251.32/3,374.66 = 864.28/x
  3. Step 3: Cross multiply
    2,251.32x = 3,374.66 × 864.28
  4. Step 4: Simplify right side
    2,251.32x = 2,916,651.14
  5. Step 5: Solve for x
    x = 2,916,651.14/2,251.32
  6. Step 6: Final answer
    x = 1,295.53

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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.