Home / 2,649.16-3,974.38-800.17

Finding the Fourth Proportional to 2,649.16, 3,974.38 and 800.17

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Solution

The fourth proportional to 2,649.16, 3,974.38 and 800.17 is: 1,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.16 : 3,974.38 = 800.17 : x
  2. Step 2: Convert to fraction form
    2,649.16/3,974.38 = 800.17/x
  3. Step 3: Cross multiply
    2,649.16x = 3,974.38 × 800.17
  4. Step 4: Simplify right side
    2,649.16x = 3,180,183.39
  5. Step 5: Solve for x
    x = 3,180,183.39/2,649.16
  6. Step 6: Final answer
    x = 1,200.45

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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.