Home / 1,934.90-2,902.67-636.07

Finding the Fourth Proportional to 1,934.90, 2,902.67 and 636.07

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Solution

The fourth proportional to 1,934.90, 2,902.67 and 636.07 is: 954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.90 : 2,902.67 = 636.07 : x
  2. Step 2: Convert to fraction form
    1,934.90/2,902.67 = 636.07/x
  3. Step 3: Cross multiply
    1,934.90x = 2,902.67 × 636.07
  4. Step 4: Simplify right side
    1,934.90x = 1,846,301.31
  5. Step 5: Solve for x
    x = 1,846,301.31/1,934.90
  6. Step 6: Final answer
    x = 954.21

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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.