Home / 2,634.68-3,952.08-1,247.69

Finding the Fourth Proportional to 2,634.68, 3,952.08 and 1,247.69

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Solution

The fourth proportional to 2,634.68, 3,952.08 and 1,247.69 is: 1,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.68 : 3,952.08 = 1,247.69 : x
  2. Step 2: Convert to fraction form
    2,634.68/3,952.08 = 1,247.69/x
  3. Step 3: Cross multiply
    2,634.68x = 3,952.08 × 1,247.69
  4. Step 4: Simplify right side
    2,634.68x = 4,930,950.93
  5. Step 5: Solve for x
    x = 4,930,950.93/2,634.68
  6. Step 6: Final answer
    x = 1,871.56

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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.