Home / 1,524.81-2,289.11-1,517.79

Finding the Fourth Proportional to 1,524.81, 2,289.11 and 1,517.79

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Solution

The fourth proportional to 1,524.81, 2,289.11 and 1,517.79 is: 2,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.81 : 2,289.11 = 1,517.79 : x
  2. Step 2: Convert to fraction form
    1,524.81/2,289.11 = 1,517.79/x
  3. Step 3: Cross multiply
    1,524.81x = 2,289.11 × 1,517.79
  4. Step 4: Simplify right side
    1,524.81x = 3,474,380.68
  5. Step 5: Solve for x
    x = 3,474,380.68/1,524.81
  6. Step 6: Final answer
    x = 2,278.57

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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.