Home / 2,756.03-4,132.62-807.98

Finding the Fourth Proportional to 2,756.03, 4,132.62 and 807.98

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Solution

The fourth proportional to 2,756.03, 4,132.62 and 807.98 is: 1,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.03 : 4,132.62 = 807.98 : x
  2. Step 2: Convert to fraction form
    2,756.03/4,132.62 = 807.98/x
  3. Step 3: Cross multiply
    2,756.03x = 4,132.62 × 807.98
  4. Step 4: Simplify right side
    2,756.03x = 3,339,053.64
  5. Step 5: Solve for x
    x = 3,339,053.64/2,756.03
  6. Step 6: Final answer
    x = 1,211.55

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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.