Home / 2,748.03-4,124.01-1,515.11

Finding the Fourth Proportional to 2,748.03, 4,124.01 and 1,515.11

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Solution

The fourth proportional to 2,748.03, 4,124.01 and 1,515.11 is: 2,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.03 : 4,124.01 = 1,515.11 : x
  2. Step 2: Convert to fraction form
    2,748.03/4,124.01 = 1,515.11/x
  3. Step 3: Cross multiply
    2,748.03x = 4,124.01 × 1,515.11
  4. Step 4: Simplify right side
    2,748.03x = 6,248,313.85
  5. Step 5: Solve for x
    x = 6,248,313.85/2,748.03
  6. Step 6: Final answer
    x = 2,273.75

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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.