Home / 3,933.95-5,901.78-1,960.65

Finding the Fourth Proportional to 3,933.95, 5,901.78 and 1,960.65

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Solution

The fourth proportional to 3,933.95, 5,901.78 and 1,960.65 is: 2,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.95 : 5,901.78 = 1,960.65 : x
  2. Step 2: Convert to fraction form
    3,933.95/5,901.78 = 1,960.65/x
  3. Step 3: Cross multiply
    3,933.95x = 5,901.78 × 1,960.65
  4. Step 4: Simplify right side
    3,933.95x = 11,571,352.38
  5. Step 5: Solve for x
    x = 11,571,352.38/3,933.95
  6. Step 6: Final answer
    x = 2,941.41

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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.