Home / 1,464.05-2,195.92-770.44

Finding the Fourth Proportional to 1,464.05, 2,195.92 and 770.44

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Solution

The fourth proportional to 1,464.05, 2,195.92 and 770.44 is: 1,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.05 : 2,195.92 = 770.44 : x
  2. Step 2: Convert to fraction form
    1,464.05/2,195.92 = 770.44/x
  3. Step 3: Cross multiply
    1,464.05x = 2,195.92 × 770.44
  4. Step 4: Simplify right side
    1,464.05x = 1,691,824.60
  5. Step 5: Solve for x
    x = 1,691,824.60/1,464.05
  6. Step 6: Final answer
    x = 1,155.58

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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.