Home / 1,934.55-2,902.23-636.12

Finding the Fourth Proportional to 1,934.55, 2,902.23 and 636.12

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Solution

The fourth proportional to 1,934.55, 2,902.23 and 636.12 is: 954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.55 : 2,902.23 = 636.12 : x
  2. Step 2: Convert to fraction form
    1,934.55/2,902.23 = 636.12/x
  3. Step 3: Cross multiply
    1,934.55x = 2,902.23 × 636.12
  4. Step 4: Simplify right side
    1,934.55x = 1,846,166.55
  5. Step 5: Solve for x
    x = 1,846,166.55/1,934.55
  6. Step 6: Final answer
    x = 954.31

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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.