Home / 1,827.20-2,741.16-1,279.52

Finding the Fourth Proportional to 1,827.20, 2,741.16 and 1,279.52

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Solution

The fourth proportional to 1,827.20, 2,741.16 and 1,279.52 is: 1,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.20 : 2,741.16 = 1,279.52 : x
  2. Step 2: Convert to fraction form
    1,827.20/2,741.16 = 1,279.52/x
  3. Step 3: Cross multiply
    1,827.20x = 2,741.16 × 1,279.52
  4. Step 4: Simplify right side
    1,827.20x = 3,507,369.04
  5. Step 5: Solve for x
    x = 3,507,369.04/1,827.20
  6. Step 6: Final answer
    x = 1,919.53

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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.