Home / 2,414.06-3,621.60-770.36

Finding the Fourth Proportional to 2,414.06, 3,621.60 and 770.36

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Solution

The fourth proportional to 2,414.06, 3,621.60 and 770.36 is: 1,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.06 : 3,621.60 = 770.36 : x
  2. Step 2: Convert to fraction form
    2,414.06/3,621.60 = 770.36/x
  3. Step 3: Cross multiply
    2,414.06x = 3,621.60 × 770.36
  4. Step 4: Simplify right side
    2,414.06x = 2,789,935.78
  5. Step 5: Solve for x
    x = 2,789,935.78/2,414.06
  6. Step 6: Final answer
    x = 1,155.70

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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.