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Finding the Fourth Proportional to 2,114.26, 3,169.41 and 880.89

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Solution

The fourth proportional to 2,114.26, 3,169.41 and 880.89 is: 1,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.26 : 3,169.41 = 880.89 : x
  2. Step 2: Convert to fraction form
    2,114.26/3,169.41 = 880.89/x
  3. Step 3: Cross multiply
    2,114.26x = 3,169.41 × 880.89
  4. Step 4: Simplify right side
    2,114.26x = 2,791,901.57
  5. Step 5: Solve for x
    x = 2,791,901.57/2,114.26
  6. Step 6: Final answer
    x = 1,320.51

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1.5x scale

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.