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Finding the Fourth Proportional to 2,827.46, 4,241.14 and 775.46

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Solution

The fourth proportional to 2,827.46, 4,241.14 and 775.46 is: 1,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.46 : 4,241.14 = 775.46 : x
  2. Step 2: Convert to fraction form
    2,827.46/4,241.14 = 775.46/x
  3. Step 3: Cross multiply
    2,827.46x = 4,241.14 × 775.46
  4. Step 4: Simplify right side
    2,827.46x = 3,288,834.42
  5. Step 5: Solve for x
    x = 3,288,834.42/2,827.46
  6. Step 6: Final answer
    x = 1,163.18

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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.