Home / 3,362.25-4,642.08-2,185.05

Finding the Fourth Proportional to 3,362.25, 4,642.08 and 2,185.05

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Solution

The fourth proportional to 3,362.25, 4,642.08 and 2,185.05 is: 3,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.25 : 4,642.08 = 2,185.05 : x
  2. Step 2: Convert to fraction form
    3,362.25/4,642.08 = 2,185.05/x
  3. Step 3: Cross multiply
    3,362.25x = 4,642.08 × 2,185.05
  4. Step 4: Simplify right side
    3,362.25x = 10,143,176.90
  5. Step 5: Solve for x
    x = 10,143,176.90/3,362.25
  6. Step 6: Final answer
    x = 3,016.78

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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.