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Finding the Fourth Proportional to 2,523.65, 3,785.50 and 880.20

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Solution

The fourth proportional to 2,523.65, 3,785.50 and 880.20 is: 1,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.65 : 3,785.50 = 880.20 : x
  2. Step 2: Convert to fraction form
    2,523.65/3,785.50 = 880.20/x
  3. Step 3: Cross multiply
    2,523.65x = 3,785.50 × 880.20
  4. Step 4: Simplify right side
    2,523.65x = 3,331,997.10
  5. Step 5: Solve for x
    x = 3,331,997.10/2,523.65
  6. Step 6: Final answer
    x = 1,320.31

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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.