Home / 3,254.60-4,883.38-1,279.69

Finding the Fourth Proportional to 3,254.60, 4,883.38 and 1,279.69

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Solution

The fourth proportional to 3,254.60, 4,883.38 and 1,279.69 is: 1,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.60 : 4,883.38 = 1,279.69 : x
  2. Step 2: Convert to fraction form
    3,254.60/4,883.38 = 1,279.69/x
  3. Step 3: Cross multiply
    3,254.60x = 4,883.38 × 1,279.69
  4. Step 4: Simplify right side
    3,254.60x = 6,249,197.14
  5. Step 5: Solve for x
    x = 6,249,197.14/3,254.60
  6. Step 6: Final answer
    x = 1,920.11

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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.