Home / 2,764.67-4,146.51-1,203.80

Finding the Fourth Proportional to 2,764.67, 4,146.51 and 1,203.80

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Solution

The fourth proportional to 2,764.67, 4,146.51 and 1,203.80 is: 1,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.67 : 4,146.51 = 1,203.80 : x
  2. Step 2: Convert to fraction form
    2,764.67/4,146.51 = 1,203.80/x
  3. Step 3: Cross multiply
    2,764.67x = 4,146.51 × 1,203.80
  4. Step 4: Simplify right side
    2,764.67x = 4,991,568.74
  5. Step 5: Solve for x
    x = 4,991,568.74/2,764.67
  6. Step 6: Final answer
    x = 1,805.48

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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.