Home / 2,766.56-4,139.58-2,217.07

Finding the Fourth Proportional to 2,766.56, 4,139.58 and 2,217.07

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Solution

The fourth proportional to 2,766.56, 4,139.58 and 2,217.07 is: 3,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.56 : 4,139.58 = 2,217.07 : x
  2. Step 2: Convert to fraction form
    2,766.56/4,139.58 = 2,217.07/x
  3. Step 3: Cross multiply
    2,766.56x = 4,139.58 × 2,217.07
  4. Step 4: Simplify right side
    2,766.56x = 9,177,745.88
  5. Step 5: Solve for x
    x = 9,177,745.88/2,766.56
  6. Step 6: Final answer
    x = 3,317.39

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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.