Home / 2,748.07-4,123.22-1,515.35

Finding the Fourth Proportional to 2,748.07, 4,123.22 and 1,515.35

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Solution

The fourth proportional to 2,748.07, 4,123.22 and 1,515.35 is: 2,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.07 : 4,123.22 = 1,515.35 : x
  2. Step 2: Convert to fraction form
    2,748.07/4,123.22 = 1,515.35/x
  3. Step 3: Cross multiply
    2,748.07x = 4,123.22 × 1,515.35
  4. Step 4: Simplify right side
    2,748.07x = 6,248,121.43
  5. Step 5: Solve for x
    x = 6,248,121.43/2,748.07
  6. Step 6: Final answer
    x = 2,273.64

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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.