Home / 1,712.28-2,363.25-1,634.37

Finding the Fourth Proportional to 1,712.28, 2,363.25 and 1,634.37

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Solution

The fourth proportional to 1,712.28, 2,363.25 and 1,634.37 is: 2,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.28 : 2,363.25 = 1,634.37 : x
  2. Step 2: Convert to fraction form
    1,712.28/2,363.25 = 1,634.37/x
  3. Step 3: Cross multiply
    1,712.28x = 2,363.25 × 1,634.37
  4. Step 4: Simplify right side
    1,712.28x = 3,862,424.90
  5. Step 5: Solve for x
    x = 3,862,424.90/1,712.28
  6. Step 6: Final answer
    x = 2,255.72

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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.