Home / 2,748.52-4,123.92-1,515.83

Finding the Fourth Proportional to 2,748.52, 4,123.92 and 1,515.83

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Solution

The fourth proportional to 2,748.52, 4,123.92 and 1,515.83 is: 2,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.52 : 4,123.92 = 1,515.83 : x
  2. Step 2: Convert to fraction form
    2,748.52/4,123.92 = 1,515.83/x
  3. Step 3: Cross multiply
    2,748.52x = 4,123.92 × 1,515.83
  4. Step 4: Simplify right side
    2,748.52x = 6,251,133.45
  5. Step 5: Solve for x
    x = 6,251,133.45/2,748.52
  6. Step 6: Final answer
    x = 2,274.37

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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.