Home / 1,839.18-2,758.80-1,836.48

Finding the Fourth Proportional to 1,839.18, 2,758.80 and 1,836.48

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Solution

The fourth proportional to 1,839.18, 2,758.80 and 1,836.48 is: 2,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.18 : 2,758.80 = 1,836.48 : x
  2. Step 2: Convert to fraction form
    1,839.18/2,758.80 = 1,836.48/x
  3. Step 3: Cross multiply
    1,839.18x = 2,758.80 × 1,836.48
  4. Step 4: Simplify right side
    1,839.18x = 5,066,481.02
  5. Step 5: Solve for x
    x = 5,066,481.02/1,839.18
  6. Step 6: Final answer
    x = 2,754.75

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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.