Home / 1,836.28-2,534.06-1,172.92

Finding the Fourth Proportional to 1,836.28, 2,534.06 and 1,172.92

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Solution

The fourth proportional to 1,836.28, 2,534.06 and 1,172.92 is: 1,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.28 : 2,534.06 = 1,172.92 : x
  2. Step 2: Convert to fraction form
    1,836.28/2,534.06 = 1,172.92/x
  3. Step 3: Cross multiply
    1,836.28x = 2,534.06 × 1,172.92
  4. Step 4: Simplify right side
    1,836.28x = 2,972,249.66
  5. Step 5: Solve for x
    x = 2,972,249.66/1,836.28
  6. Step 6: Final answer
    x = 1,618.63

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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.