Home / 1,932.21-2,897.71-633.38

Finding the Fourth Proportional to 1,932.21, 2,897.71 and 633.38

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Solution

The fourth proportional to 1,932.21, 2,897.71 and 633.38 is: 949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.21 : 2,897.71 = 633.38 : x
  2. Step 2: Convert to fraction form
    1,932.21/2,897.71 = 633.38/x
  3. Step 3: Cross multiply
    1,932.21x = 2,897.71 × 633.38
  4. Step 4: Simplify right side
    1,932.21x = 1,835,335.49
  5. Step 5: Solve for x
    x = 1,835,335.49/1,932.21
  6. Step 6: Final answer
    x = 949.86

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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.