Home / 3,201.98-4,418.58-1,785.64

Finding the Fourth Proportional to 3,201.98, 4,418.58 and 1,785.64

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Solution

The fourth proportional to 3,201.98, 4,418.58 and 1,785.64 is: 2,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.98 : 4,418.58 = 1,785.64 : x
  2. Step 2: Convert to fraction form
    3,201.98/4,418.58 = 1,785.64/x
  3. Step 3: Cross multiply
    3,201.98x = 4,418.58 × 1,785.64
  4. Step 4: Simplify right side
    3,201.98x = 7,889,993.19
  5. Step 5: Solve for x
    x = 7,889,993.19/3,201.98
  6. Step 6: Final answer
    x = 2,464.10

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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.