Home / 2,280.27-3,419.97-636.51

Finding the Fourth Proportional to 2,280.27, 3,419.97 and 636.51

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Solution

The fourth proportional to 2,280.27, 3,419.97 and 636.51 is: 954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.27 : 3,419.97 = 636.51 : x
  2. Step 2: Convert to fraction form
    2,280.27/3,419.97 = 636.51/x
  3. Step 3: Cross multiply
    2,280.27x = 3,419.97 × 636.51
  4. Step 4: Simplify right side
    2,280.27x = 2,176,845.10
  5. Step 5: Solve for x
    x = 2,176,845.10/2,280.27
  6. Step 6: Final answer
    x = 954.64

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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.