Home / 3,834.12-5,290.74-2,240.70

Finding the Fourth Proportional to 3,834.12, 5,290.74 and 2,240.70

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Solution

The fourth proportional to 3,834.12, 5,290.74 and 2,240.70 is: 3,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.12 : 5,290.74 = 2,240.70 : x
  2. Step 2: Convert to fraction form
    3,834.12/5,290.74 = 2,240.70/x
  3. Step 3: Cross multiply
    3,834.12x = 5,290.74 × 2,240.70
  4. Step 4: Simplify right side
    3,834.12x = 11,854,961.12
  5. Step 5: Solve for x
    x = 11,854,961.12/3,834.12
  6. Step 6: Final answer
    x = 3,091.96

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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.