Home / 4,201.24-6,301.98-1,279.55

Finding the Fourth Proportional to 4,201.24, 6,301.98 and 1,279.55

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Solution

The fourth proportional to 4,201.24, 6,301.98 and 1,279.55 is: 1,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.24 : 6,301.98 = 1,279.55 : x
  2. Step 2: Convert to fraction form
    4,201.24/6,301.98 = 1,279.55/x
  3. Step 3: Cross multiply
    4,201.24x = 6,301.98 × 1,279.55
  4. Step 4: Simplify right side
    4,201.24x = 8,063,675.22
  5. Step 5: Solve for x
    x = 8,063,675.22/4,201.24
  6. Step 6: Final answer
    x = 1,919.36

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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.