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Finding the Fourth Proportional to 2,774.16, 4,161.24 and 799.83

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Solution

The fourth proportional to 2,774.16, 4,161.24 and 799.83 is: 1,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.16 : 4,161.24 = 799.83 : x
  2. Step 2: Convert to fraction form
    2,774.16/4,161.24 = 799.83/x
  3. Step 3: Cross multiply
    2,774.16x = 4,161.24 × 799.83
  4. Step 4: Simplify right side
    2,774.16x = 3,328,284.59
  5. Step 5: Solve for x
    x = 3,328,284.59/2,774.16
  6. Step 6: Final answer
    x = 1,199.75

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1.5x scale

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.