Home / 3,933.16-5,866.45-3,378.92

Finding the Fourth Proportional to 3,933.16, 5,866.45 and 3,378.92

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Solution

The fourth proportional to 3,933.16, 5,866.45 and 3,378.92 is: 5,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.16 : 5,866.45 = 3,378.92 : x
  2. Step 2: Convert to fraction form
    3,933.16/5,866.45 = 3,378.92/x
  3. Step 3: Cross multiply
    3,933.16x = 5,866.45 × 3,378.92
  4. Step 4: Simplify right side
    3,933.16x = 19,822,265.23
  5. Step 5: Solve for x
    x = 19,822,265.23/3,933.16
  6. Step 6: Final answer
    x = 5,039.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.