Home / 2,748.37-4,122.60-1,515.55

Finding the Fourth Proportional to 2,748.37, 4,122.60 and 1,515.55

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Solution

The fourth proportional to 2,748.37, 4,122.60 and 1,515.55 is: 2,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.37 : 4,122.60 = 1,515.55 : x
  2. Step 2: Convert to fraction form
    2,748.37/4,122.60 = 1,515.55/x
  3. Step 3: Cross multiply
    2,748.37x = 4,122.60 × 1,515.55
  4. Step 4: Simplify right side
    2,748.37x = 6,248,006.43
  5. Step 5: Solve for x
    x = 6,248,006.43/2,748.37
  6. Step 6: Final answer
    x = 2,273.35

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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.