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Finding the Fourth Proportional to 2,350.88, 3,244.16 and 1,511.88

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Solution

The fourth proportional to 2,350.88, 3,244.16 and 1,511.88 is: 2,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.88 : 3,244.16 = 1,511.88 : x
  2. Step 2: Convert to fraction form
    2,350.88/3,244.16 = 1,511.88/x
  3. Step 3: Cross multiply
    2,350.88x = 3,244.16 × 1,511.88
  4. Step 4: Simplify right side
    2,350.88x = 4,904,773.06
  5. Step 5: Solve for x
    x = 4,904,773.06/2,350.88
  6. Step 6: Final answer
    x = 2,086.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.