Home / 4,161.28-6,241.84-1,239.61

Finding the Fourth Proportional to 4,161.28, 6,241.84 and 1,239.61

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Solution

The fourth proportional to 4,161.28, 6,241.84 and 1,239.61 is: 1,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.28 : 6,241.84 = 1,239.61 : x
  2. Step 2: Convert to fraction form
    4,161.28/6,241.84 = 1,239.61/x
  3. Step 3: Cross multiply
    4,161.28x = 6,241.84 × 1,239.61
  4. Step 4: Simplify right side
    4,161.28x = 7,737,447.28
  5. Step 5: Solve for x
    x = 7,737,447.28/4,161.28
  6. Step 6: Final answer
    x = 1,859.39

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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.