Home / 2,227.02-3,340.84-928.19

Finding the Fourth Proportional to 2,227.02, 3,340.84 and 928.19

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Solution

The fourth proportional to 2,227.02, 3,340.84 and 928.19 is: 1,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.02 : 3,340.84 = 928.19 : x
  2. Step 2: Convert to fraction form
    2,227.02/3,340.84 = 928.19/x
  3. Step 3: Cross multiply
    2,227.02x = 3,340.84 × 928.19
  4. Step 4: Simplify right side
    2,227.02x = 3,100,934.28
  5. Step 5: Solve for x
    x = 3,100,934.28/2,227.02
  6. Step 6: Final answer
    x = 1,392.41

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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.