Home / 2,250.65-3,370.76-2,172.78

Finding the Fourth Proportional to 2,250.65, 3,370.76 and 2,172.78

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Solution

The fourth proportional to 2,250.65, 3,370.76 and 2,172.78 is: 3,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.65 : 3,370.76 = 2,172.78 : x
  2. Step 2: Convert to fraction form
    2,250.65/3,370.76 = 2,172.78/x
  3. Step 3: Cross multiply
    2,250.65x = 3,370.76 × 2,172.78
  4. Step 4: Simplify right side
    2,250.65x = 7,323,909.05
  5. Step 5: Solve for x
    x = 7,323,909.05/2,250.65
  6. Step 6: Final answer
    x = 3,254.13

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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.