Home / 1,634.18-2,447.78-1,487.12

Finding the Fourth Proportional to 1,634.18, 2,447.78 and 1,487.12

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Solution

The fourth proportional to 1,634.18, 2,447.78 and 1,487.12 is: 2,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.18 : 2,447.78 = 1,487.12 : x
  2. Step 2: Convert to fraction form
    1,634.18/2,447.78 = 1,487.12/x
  3. Step 3: Cross multiply
    1,634.18x = 2,447.78 × 1,487.12
  4. Step 4: Simplify right side
    1,634.18x = 3,640,122.92
  5. Step 5: Solve for x
    x = 3,640,122.92/1,634.18
  6. Step 6: Final answer
    x = 2,227.50

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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.