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Finding the Fourth Proportional to 2,272.87, 3,407.66 and 885.03

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Solution

The fourth proportional to 2,272.87, 3,407.66 and 885.03 is: 1,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.87 : 3,407.66 = 885.03 : x
  2. Step 2: Convert to fraction form
    2,272.87/3,407.66 = 885.03/x
  3. Step 3: Cross multiply
    2,272.87x = 3,407.66 × 885.03
  4. Step 4: Simplify right side
    2,272.87x = 3,015,876.90
  5. Step 5: Solve for x
    x = 3,015,876.90/2,272.87
  6. Step 6: Final answer
    x = 1,326.91

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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.