Home / 2,913.57-4,372.25-1,270.22

Finding the Fourth Proportional to 2,913.57, 4,372.25 and 1,270.22

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Solution

The fourth proportional to 2,913.57, 4,372.25 and 1,270.22 is: 1,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.57 : 4,372.25 = 1,270.22 : x
  2. Step 2: Convert to fraction form
    2,913.57/4,372.25 = 1,270.22/x
  3. Step 3: Cross multiply
    2,913.57x = 4,372.25 × 1,270.22
  4. Step 4: Simplify right side
    2,913.57x = 5,553,691.18
  5. Step 5: Solve for x
    x = 5,553,691.18/2,913.57
  6. Step 6: Final answer
    x = 1,906.15

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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.