Home / 2,742.46-4,122.60-2,200.57

Finding the Fourth Proportional to 2,742.46, 4,122.60 and 2,200.57

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Solution

The fourth proportional to 2,742.46, 4,122.60 and 2,200.57 is: 3,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.46 : 4,122.60 = 2,200.57 : x
  2. Step 2: Convert to fraction form
    2,742.46/4,122.60 = 2,200.57/x
  3. Step 3: Cross multiply
    2,742.46x = 4,122.60 × 2,200.57
  4. Step 4: Simplify right side
    2,742.46x = 9,072,069.88
  5. Step 5: Solve for x
    x = 9,072,069.88/2,742.46
  6. Step 6: Final answer
    x = 3,308.00

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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.