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Finding the Fourth Proportional to 1,976.22, 2,964.53 and 880.49

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Solution

The fourth proportional to 1,976.22, 2,964.53 and 880.49 is: 1,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.22 : 2,964.53 = 880.49 : x
  2. Step 2: Convert to fraction form
    1,976.22/2,964.53 = 880.49/x
  3. Step 3: Cross multiply
    1,976.22x = 2,964.53 × 880.49
  4. Step 4: Simplify right side
    1,976.22x = 2,610,248.63
  5. Step 5: Solve for x
    x = 2,610,248.63/1,976.22
  6. Step 6: Final answer
    x = 1,320.83

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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.