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Finding the Fourth Proportional to 2,677.44, 4,015.66 and 729.19

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Solution

The fourth proportional to 2,677.44, 4,015.66 and 729.19 is: 1,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.44 : 4,015.66 = 729.19 : x
  2. Step 2: Convert to fraction form
    2,677.44/4,015.66 = 729.19/x
  3. Step 3: Cross multiply
    2,677.44x = 4,015.66 × 729.19
  4. Step 4: Simplify right side
    2,677.44x = 2,928,179.12
  5. Step 5: Solve for x
    x = 2,928,179.12/2,677.44
  6. Step 6: Final answer
    x = 1,093.65

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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.