Home / 2,200.08-3,313.32-1,855.56

Finding the Fourth Proportional to 2,200.08, 3,313.32 and 1,855.56

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Solution

The fourth proportional to 2,200.08, 3,313.32 and 1,855.56 is: 2,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.08 : 3,313.32 = 1,855.56 : x
  2. Step 2: Convert to fraction form
    2,200.08/3,313.32 = 1,855.56/x
  3. Step 3: Cross multiply
    2,200.08x = 3,313.32 × 1,855.56
  4. Step 4: Simplify right side
    2,200.08x = 6,148,064.06
  5. Step 5: Solve for x
    x = 6,148,064.06/2,200.08
  6. Step 6: Final answer
    x = 2,794.47

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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.