Home / 3,385.80-5,079.58-2,000.28

Finding the Fourth Proportional to 3,385.80, 5,079.58 and 2,000.28

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Solution

The fourth proportional to 3,385.80, 5,079.58 and 2,000.28 is: 3,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.80 : 5,079.58 = 2,000.28 : x
  2. Step 2: Convert to fraction form
    3,385.80/5,079.58 = 2,000.28/x
  3. Step 3: Cross multiply
    3,385.80x = 5,079.58 × 2,000.28
  4. Step 4: Simplify right side
    3,385.80x = 10,160,582.28
  5. Step 5: Solve for x
    x = 10,160,582.28/3,385.80
  6. Step 6: Final answer
    x = 3,000.94

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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.