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Finding the Fourth Proportional to 2,051.26, 3,077.93 and 880.95

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Solution

The fourth proportional to 2,051.26, 3,077.93 and 880.95 is: 1,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.26 : 3,077.93 = 880.95 : x
  2. Step 2: Convert to fraction form
    2,051.26/3,077.93 = 880.95/x
  3. Step 3: Cross multiply
    2,051.26x = 3,077.93 × 880.95
  4. Step 4: Simplify right side
    2,051.26x = 2,711,502.43
  5. Step 5: Solve for x
    x = 2,711,502.43/2,051.26
  6. Step 6: Final answer
    x = 1,321.87

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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.