Home / 3,236.15-4,853.82-1,289.72

Finding the Fourth Proportional to 3,236.15, 4,853.82 and 1,289.72

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Solution

The fourth proportional to 3,236.15, 4,853.82 and 1,289.72 is: 1,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.15 : 4,853.82 = 1,289.72 : x
  2. Step 2: Convert to fraction form
    3,236.15/4,853.82 = 1,289.72/x
  3. Step 3: Cross multiply
    3,236.15x = 4,853.82 × 1,289.72
  4. Step 4: Simplify right side
    3,236.15x = 6,260,085.70
  5. Step 5: Solve for x
    x = 6,260,085.70/3,236.15
  6. Step 6: Final answer
    x = 1,934.42

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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.