Home / 2,219.15-3,329.17-832.46

Finding the Fourth Proportional to 2,219.15, 3,329.17 and 832.46

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Solution

The fourth proportional to 2,219.15, 3,329.17 and 832.46 is: 1,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.15 : 3,329.17 = 832.46 : x
  2. Step 2: Convert to fraction form
    2,219.15/3,329.17 = 832.46/x
  3. Step 3: Cross multiply
    2,219.15x = 3,329.17 × 832.46
  4. Step 4: Simplify right side
    2,219.15x = 2,771,382.13
  5. Step 5: Solve for x
    x = 2,771,382.13/2,219.15
  6. Step 6: Final answer
    x = 1,248.85

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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.