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Finding the Fourth Proportional to 2,964.08, 4,446.38 and 772.81

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Solution

The fourth proportional to 2,964.08, 4,446.38 and 772.81 is: 1,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.08 : 4,446.38 = 772.81 : x
  2. Step 2: Convert to fraction form
    2,964.08/4,446.38 = 772.81/x
  3. Step 3: Cross multiply
    2,964.08x = 4,446.38 × 772.81
  4. Step 4: Simplify right side
    2,964.08x = 3,436,193.40
  5. Step 5: Solve for x
    x = 3,436,193.40/2,964.08
  6. Step 6: Final answer
    x = 1,159.28

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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.