Home / 2,748.62-4,122.98-1,515.80

Finding the Fourth Proportional to 2,748.62, 4,122.98 and 1,515.80

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Solution

The fourth proportional to 2,748.62, 4,122.98 and 1,515.80 is: 2,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.62 : 4,122.98 = 1,515.80 : x
  2. Step 2: Convert to fraction form
    2,748.62/4,122.98 = 1,515.80/x
  3. Step 3: Cross multiply
    2,748.62x = 4,122.98 × 1,515.80
  4. Step 4: Simplify right side
    2,748.62x = 6,249,613.08
  5. Step 5: Solve for x
    x = 6,249,613.08/2,748.62
  6. Step 6: Final answer
    x = 2,273.73

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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.