Home / 2,790.36-4,182-1,144.98

Finding the Fourth Proportional to 2,790.36, 4,182 and 1,144.98

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Solution

The fourth proportional to 2,790.36, 4,182 and 1,144.98 is: 1,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.36 : 4,182 = 1,144.98 : x
  2. Step 2: Convert to fraction form
    2,790.36/4,182 = 1,144.98/x
  3. Step 3: Cross multiply
    2,790.36x = 4,182 × 1,144.98
  4. Step 4: Simplify right side
    2,790.36x = 4,788,306.36
  5. Step 5: Solve for x
    x = 4,788,306.36/2,790.36
  6. Step 6: Final answer
    x = 1,716.02

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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.