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Finding the Fourth Proportional to 2,277.78, 3,415.97 and 633.89

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Solution

The fourth proportional to 2,277.78, 3,415.97 and 633.89 is: 950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.78 : 3,415.97 = 633.89 : x
  2. Step 2: Convert to fraction form
    2,277.78/3,415.97 = 633.89/x
  3. Step 3: Cross multiply
    2,277.78x = 3,415.97 × 633.89
  4. Step 4: Simplify right side
    2,277.78x = 2,165,328.97
  5. Step 5: Solve for x
    x = 2,165,328.97/2,277.78
  6. Step 6: Final answer
    x = 950.63

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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.