Home / 2,103.85-3,149.07-1,176.57

Finding the Fourth Proportional to 2,103.85, 3,149.07 and 1,176.57

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Solution

The fourth proportional to 2,103.85, 3,149.07 and 1,176.57 is: 1,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.85 : 3,149.07 = 1,176.57 : x
  2. Step 2: Convert to fraction form
    2,103.85/3,149.07 = 1,176.57/x
  3. Step 3: Cross multiply
    2,103.85x = 3,149.07 × 1,176.57
  4. Step 4: Simplify right side
    2,103.85x = 3,705,101.29
  5. Step 5: Solve for x
    x = 3,705,101.29/2,103.85
  6. Step 6: Final answer
    x = 1,761.11

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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.