Home / 2,226.64-3,340.68-928.24

Finding the Fourth Proportional to 2,226.64, 3,340.68 and 928.24

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Solution

The fourth proportional to 2,226.64, 3,340.68 and 928.24 is: 1,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.64 : 3,340.68 = 928.24 : x
  2. Step 2: Convert to fraction form
    2,226.64/3,340.68 = 928.24/x
  3. Step 3: Cross multiply
    2,226.64x = 3,340.68 × 928.24
  4. Step 4: Simplify right side
    2,226.64x = 3,100,952.80
  5. Step 5: Solve for x
    x = 3,100,952.80/2,226.64
  6. Step 6: Final answer
    x = 1,392.66

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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.