Home / 3,114.20-4,294.78-2,064.44

Finding the Fourth Proportional to 3,114.20, 4,294.78 and 2,064.44

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Solution

The fourth proportional to 3,114.20, 4,294.78 and 2,064.44 is: 2,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.20 : 4,294.78 = 2,064.44 : x
  2. Step 2: Convert to fraction form
    3,114.20/4,294.78 = 2,064.44/x
  3. Step 3: Cross multiply
    3,114.20x = 4,294.78 × 2,064.44
  4. Step 4: Simplify right side
    3,114.20x = 8,866,315.62
  5. Step 5: Solve for x
    x = 8,866,315.62/3,114.20
  6. Step 6: Final answer
    x = 2,847.06

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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.