Home / 4,180.06-5,772.39-2,690.57

Finding the Fourth Proportional to 4,180.06, 5,772.39 and 2,690.57

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Solution

The fourth proportional to 4,180.06, 5,772.39 and 2,690.57 is: 3,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.06 : 5,772.39 = 2,690.57 : x
  2. Step 2: Convert to fraction form
    4,180.06/5,772.39 = 2,690.57/x
  3. Step 3: Cross multiply
    4,180.06x = 5,772.39 × 2,690.57
  4. Step 4: Simplify right side
    4,180.06x = 15,530,998.80
  5. Step 5: Solve for x
    x = 15,530,998.80/4,180.06
  6. Step 6: Final answer
    x = 3,715.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.