Home / 3,110.70-4,666.05-2,829.90

Finding the Fourth Proportional to 3,110.70, 4,666.05 and 2,829.90

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Solution

The fourth proportional to 3,110.70, 4,666.05 and 2,829.90 is: 4,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.70 : 4,666.05 = 2,829.90 : x
  2. Step 2: Convert to fraction form
    3,110.70/4,666.05 = 2,829.90/x
  3. Step 3: Cross multiply
    3,110.70x = 4,666.05 × 2,829.90
  4. Step 4: Simplify right side
    3,110.70x = 13,204,454.90
  5. Step 5: Solve for x
    x = 13,204,454.90/3,110.70
  6. Step 6: Final answer
    x = 4,244.85

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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.