Home / 3,211.24-4,813.78-1,566.90

Finding the Fourth Proportional to 3,211.24, 4,813.78 and 1,566.90

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Solution

The fourth proportional to 3,211.24, 4,813.78 and 1,566.90 is: 2,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.24 : 4,813.78 = 1,566.90 : x
  2. Step 2: Convert to fraction form
    3,211.24/4,813.78 = 1,566.90/x
  3. Step 3: Cross multiply
    3,211.24x = 4,813.78 × 1,566.90
  4. Step 4: Simplify right side
    3,211.24x = 7,542,711.88
  5. Step 5: Solve for x
    x = 7,542,711.88/3,211.24
  6. Step 6: Final answer
    x = 2,348.85

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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.