Home / 2,227.66-3,340.95-928.42

Finding the Fourth Proportional to 2,227.66, 3,340.95 and 928.42

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Solution

The fourth proportional to 2,227.66, 3,340.95 and 928.42 is: 1,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.66 : 3,340.95 = 928.42 : x
  2. Step 2: Convert to fraction form
    2,227.66/3,340.95 = 928.42/x
  3. Step 3: Cross multiply
    2,227.66x = 3,340.95 × 928.42
  4. Step 4: Simplify right side
    2,227.66x = 3,101,804.80
  5. Step 5: Solve for x
    x = 3,101,804.80/2,227.66
  6. Step 6: Final answer
    x = 1,392.40

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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.