Home / 3,827.20-5,741.20-1,229.52

Finding the Fourth Proportional to 3,827.20, 5,741.20 and 1,229.52

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Solution

The fourth proportional to 3,827.20, 5,741.20 and 1,229.52 is: 1,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.20 : 5,741.20 = 1,229.52 : x
  2. Step 2: Convert to fraction form
    3,827.20/5,741.20 = 1,229.52/x
  3. Step 3: Cross multiply
    3,827.20x = 5,741.20 × 1,229.52
  4. Step 4: Simplify right side
    3,827.20x = 7,058,920.22
  5. Step 5: Solve for x
    x = 7,058,920.22/3,827.20
  6. Step 6: Final answer
    x = 1,844.41

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1.5x scale

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.