Home / 2,220.75-3,324.96-1,441.65

Finding the Fourth Proportional to 2,220.75, 3,324.96 and 1,441.65

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Solution

The fourth proportional to 2,220.75, 3,324.96 and 1,441.65 is: 2,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.75 : 3,324.96 = 1,441.65 : x
  2. Step 2: Convert to fraction form
    2,220.75/3,324.96 = 1,441.65/x
  3. Step 3: Cross multiply
    2,220.75x = 3,324.96 × 1,441.65
  4. Step 4: Simplify right side
    2,220.75x = 4,793,428.58
  5. Step 5: Solve for x
    x = 4,793,428.58/2,220.75
  6. Step 6: Final answer
    x = 2,158.47

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Half scale
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Double scale
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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.