Home / 1,634.41-2,251.96-1,109.53

Finding the Fourth Proportional to 1,634.41, 2,251.96 and 1,109.53

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Solution

The fourth proportional to 1,634.41, 2,251.96 and 1,109.53 is: 1,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.41 : 2,251.96 = 1,109.53 : x
  2. Step 2: Convert to fraction form
    1,634.41/2,251.96 = 1,109.53/x
  3. Step 3: Cross multiply
    1,634.41x = 2,251.96 × 1,109.53
  4. Step 4: Simplify right side
    1,634.41x = 2,498,617.18
  5. Step 5: Solve for x
    x = 2,498,617.18/1,634.41
  6. Step 6: Final answer
    x = 1,528.76

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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.