Home / 3,310.76-4,962.78-2,079.04

Finding the Fourth Proportional to 3,310.76, 4,962.78 and 2,079.04

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Solution

The fourth proportional to 3,310.76, 4,962.78 and 2,079.04 is: 3,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.76 : 4,962.78 = 2,079.04 : x
  2. Step 2: Convert to fraction form
    3,310.76/4,962.78 = 2,079.04/x
  3. Step 3: Cross multiply
    3,310.76x = 4,962.78 × 2,079.04
  4. Step 4: Simplify right side
    3,310.76x = 10,317,818.13
  5. Step 5: Solve for x
    x = 10,317,818.13/3,310.76
  6. Step 6: Final answer
    x = 3,116.45

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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.