Home / 2,211.75-3,310.40-1,626.59

Finding the Fourth Proportional to 2,211.75, 3,310.40 and 1,626.59

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Solution

The fourth proportional to 2,211.75, 3,310.40 and 1,626.59 is: 2,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.75 : 3,310.40 = 1,626.59 : x
  2. Step 2: Convert to fraction form
    2,211.75/3,310.40 = 1,626.59/x
  3. Step 3: Cross multiply
    2,211.75x = 3,310.40 × 1,626.59
  4. Step 4: Simplify right side
    2,211.75x = 5,384,638.85
  5. Step 5: Solve for x
    x = 5,384,638.85/2,211.75
  6. Step 6: Final answer
    x = 2,434.56

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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.