Home / 4,122.18-6,180.39-2,039.64

Finding the Fourth Proportional to 4,122.18, 6,180.39 and 2,039.64

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Solution

The fourth proportional to 4,122.18, 6,180.39 and 2,039.64 is: 3,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.18 : 6,180.39 = 2,039.64 : x
  2. Step 2: Convert to fraction form
    4,122.18/6,180.39 = 2,039.64/x
  3. Step 3: Cross multiply
    4,122.18x = 6,180.39 × 2,039.64
  4. Step 4: Simplify right side
    4,122.18x = 12,605,770.66
  5. Step 5: Solve for x
    x = 12,605,770.66/4,122.18
  6. Step 6: Final answer
    x = 3,058.03

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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.