Home / 3,827.43-5,739.80-1,229.67

Finding the Fourth Proportional to 3,827.43, 5,739.80 and 1,229.67

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Solution

The fourth proportional to 3,827.43, 5,739.80 and 1,229.67 is: 1,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.43 : 5,739.80 = 1,229.67 : x
  2. Step 2: Convert to fraction form
    3,827.43/5,739.80 = 1,229.67/x
  3. Step 3: Cross multiply
    3,827.43x = 5,739.80 × 1,229.67
  4. Step 4: Simplify right side
    3,827.43x = 7,058,053.72
  5. Step 5: Solve for x
    x = 7,058,053.72/3,827.43
  6. Step 6: Final answer
    x = 1,844.07

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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.