Home / 3,479.78-5,245.66-3,184.23

Finding the Fourth Proportional to 3,479.78, 5,245.66 and 3,184.23

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Solution

The fourth proportional to 3,479.78, 5,245.66 and 3,184.23 is: 4,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.78 : 5,245.66 = 3,184.23 : x
  2. Step 2: Convert to fraction form
    3,479.78/5,245.66 = 3,184.23/x
  3. Step 3: Cross multiply
    3,479.78x = 5,245.66 × 3,184.23
  4. Step 4: Simplify right side
    3,479.78x = 16,703,382.09
  5. Step 5: Solve for x
    x = 16,703,382.09/3,479.78
  6. Step 6: Final answer
    x = 4,800.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.