Home / 2,749.68-4,124.50-1,519.49

Finding the Fourth Proportional to 2,749.68, 4,124.50 and 1,519.49

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Solution

The fourth proportional to 2,749.68, 4,124.50 and 1,519.49 is: 2,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.68 : 4,124.50 = 1,519.49 : x
  2. Step 2: Convert to fraction form
    2,749.68/4,124.50 = 1,519.49/x
  3. Step 3: Cross multiply
    2,749.68x = 4,124.50 × 1,519.49
  4. Step 4: Simplify right side
    2,749.68x = 6,267,143.02
  5. Step 5: Solve for x
    x = 6,267,143.02/2,749.68
  6. Step 6: Final answer
    x = 2,279.23

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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.