Home / 2,247.60-3,366.12-1,942.80

Finding the Fourth Proportional to 2,247.60, 3,366.12 and 1,942.80

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Solution

The fourth proportional to 2,247.60, 3,366.12 and 1,942.80 is: 2,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.60 : 3,366.12 = 1,942.80 : x
  2. Step 2: Convert to fraction form
    2,247.60/3,366.12 = 1,942.80/x
  3. Step 3: Cross multiply
    2,247.60x = 3,366.12 × 1,942.80
  4. Step 4: Simplify right side
    2,247.60x = 6,539,697.94
  5. Step 5: Solve for x
    x = 6,539,697.94/2,247.60
  6. Step 6: Final answer
    x = 2,909.64

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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.