Home / 3,201.82-4,418.51-1,785.63

Finding the Fourth Proportional to 3,201.82, 4,418.51 and 1,785.63

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Solution

The fourth proportional to 3,201.82, 4,418.51 and 1,785.63 is: 2,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.82 : 4,418.51 = 1,785.63 : x
  2. Step 2: Convert to fraction form
    3,201.82/4,418.51 = 1,785.63/x
  3. Step 3: Cross multiply
    3,201.82x = 4,418.51 × 1,785.63
  4. Step 4: Simplify right side
    3,201.82x = 7,889,815.08
  5. Step 5: Solve for x
    x = 7,889,815.08/3,201.82
  6. Step 6: Final answer
    x = 2,464.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.