Home / 2,221.65-3,329.30-1,632.02

Finding the Fourth Proportional to 2,221.65, 3,329.30 and 1,632.02

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Solution

The fourth proportional to 2,221.65, 3,329.30 and 1,632.02 is: 2,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.65 : 3,329.30 = 1,632.02 : x
  2. Step 2: Convert to fraction form
    2,221.65/3,329.30 = 1,632.02/x
  3. Step 3: Cross multiply
    2,221.65x = 3,329.30 × 1,632.02
  4. Step 4: Simplify right side
    2,221.65x = 5,433,471.62
  5. Step 5: Solve for x
    x = 5,433,471.62/2,221.65
  6. Step 6: Final answer
    x = 2,445.69

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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.