Home / 3,264.28-4,505.66-1,988.62

Finding the Fourth Proportional to 3,264.28, 4,505.66 and 1,988.62

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Solution

The fourth proportional to 3,264.28, 4,505.66 and 1,988.62 is: 2,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.28 : 4,505.66 = 1,988.62 : x
  2. Step 2: Convert to fraction form
    3,264.28/4,505.66 = 1,988.62/x
  3. Step 3: Cross multiply
    3,264.28x = 4,505.66 × 1,988.62
  4. Step 4: Simplify right side
    3,264.28x = 8,960,035.65
  5. Step 5: Solve for x
    x = 8,960,035.65/3,264.28
  6. Step 6: Final answer
    x = 2,744.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.