Home / 2,167.40-3,247.26-1,480.04

Finding the Fourth Proportional to 2,167.40, 3,247.26 and 1,480.04

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Solution

The fourth proportional to 2,167.40, 3,247.26 and 1,480.04 is: 2,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.40 : 3,247.26 = 1,480.04 : x
  2. Step 2: Convert to fraction form
    2,167.40/3,247.26 = 1,480.04/x
  3. Step 3: Cross multiply
    2,167.40x = 3,247.26 × 1,480.04
  4. Step 4: Simplify right side
    2,167.40x = 4,806,074.69
  5. Step 5: Solve for x
    x = 4,806,074.69/2,167.40
  6. Step 6: Final answer
    x = 2,217.44

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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.