Home / 3,934.12-5,901.32-1,336.72

Finding the Fourth Proportional to 3,934.12, 5,901.32 and 1,336.72

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Solution

The fourth proportional to 3,934.12, 5,901.32 and 1,336.72 is: 2,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.12 : 5,901.32 = 1,336.72 : x
  2. Step 2: Convert to fraction form
    3,934.12/5,901.32 = 1,336.72/x
  3. Step 3: Cross multiply
    3,934.12x = 5,901.32 × 1,336.72
  4. Step 4: Simplify right side
    3,934.12x = 7,888,412.47
  5. Step 5: Solve for x
    x = 7,888,412.47/3,934.12
  6. Step 6: Final answer
    x = 2,005.13

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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.