Home / 3,185.07-4,774.47-1,336.71

Finding the Fourth Proportional to 3,185.07, 4,774.47 and 1,336.71

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Solution

The fourth proportional to 3,185.07, 4,774.47 and 1,336.71 is: 2,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.07 : 4,774.47 = 1,336.71 : x
  2. Step 2: Convert to fraction form
    3,185.07/4,774.47 = 1,336.71/x
  3. Step 3: Cross multiply
    3,185.07x = 4,774.47 × 1,336.71
  4. Step 4: Simplify right side
    3,185.07x = 6,382,081.79
  5. Step 5: Solve for x
    x = 6,382,081.79/3,185.07
  6. Step 6: Final answer
    x = 2,003.75

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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.