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Finding the Fourth Proportional to 2,775.62, 4,163.46 and 1,801.22

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Solution

The fourth proportional to 2,775.62, 4,163.46 and 1,801.22 is: 2,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.62 : 4,163.46 = 1,801.22 : x
  2. Step 2: Convert to fraction form
    2,775.62/4,163.46 = 1,801.22/x
  3. Step 3: Cross multiply
    2,775.62x = 4,163.46 × 1,801.22
  4. Step 4: Simplify right side
    2,775.62x = 7,499,307.42
  5. Step 5: Solve for x
    x = 7,499,307.42/2,775.62
  6. Step 6: Final answer
    x = 2,701.85

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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.