Home / 4,172.68-5,757.78-2,310.04

Finding the Fourth Proportional to 4,172.68, 5,757.78 and 2,310.04

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Solution

The fourth proportional to 4,172.68, 5,757.78 and 2,310.04 is: 3,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.68 : 5,757.78 = 2,310.04 : x
  2. Step 2: Convert to fraction form
    4,172.68/5,757.78 = 2,310.04/x
  3. Step 3: Cross multiply
    4,172.68x = 5,757.78 × 2,310.04
  4. Step 4: Simplify right side
    4,172.68x = 13,300,702.11
  5. Step 5: Solve for x
    x = 13,300,702.11/4,172.68
  6. Step 6: Final answer
    x = 3,187.57

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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.