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Finding the Fourth Proportional to 2,883.18, 4,324.26 and 774.84

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Solution

The fourth proportional to 2,883.18, 4,324.26 and 774.84 is: 1,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.18 : 4,324.26 = 774.84 : x
  2. Step 2: Convert to fraction form
    2,883.18/4,324.26 = 774.84/x
  3. Step 3: Cross multiply
    2,883.18x = 4,324.26 × 774.84
  4. Step 4: Simplify right side
    2,883.18x = 3,350,609.62
  5. Step 5: Solve for x
    x = 3,350,609.62/2,883.18
  6. Step 6: Final answer
    x = 1,162.12

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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.