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Finding the Fourth Proportional to 2,649.68, 3,651.86 and 2,344.17

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Solution

The fourth proportional to 2,649.68, 3,651.86 and 2,344.17 is: 3,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.68 : 3,651.86 = 2,344.17 : x
  2. Step 2: Convert to fraction form
    2,649.68/3,651.86 = 2,344.17/x
  3. Step 3: Cross multiply
    2,649.68x = 3,651.86 × 2,344.17
  4. Step 4: Simplify right side
    2,649.68x = 8,560,580.66
  5. Step 5: Solve for x
    x = 8,560,580.66/2,649.68
  6. Step 6: Final answer
    x = 3,230.80

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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.