Home / 2,630.17-3,947.99-1,937.62

Finding the Fourth Proportional to 2,630.17, 3,947.99 and 1,937.62

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Solution

The fourth proportional to 2,630.17, 3,947.99 and 1,937.62 is: 2,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.17 : 3,947.99 = 1,937.62 : x
  2. Step 2: Convert to fraction form
    2,630.17/3,947.99 = 1,937.62/x
  3. Step 3: Cross multiply
    2,630.17x = 3,947.99 × 1,937.62
  4. Step 4: Simplify right side
    2,630.17x = 7,649,704.38
  5. Step 5: Solve for x
    x = 7,649,704.38/2,630.17
  6. Step 6: Final answer
    x = 2,908.44

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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.