Home / 2,202.66-3,038.99-1,992.20

Finding the Fourth Proportional to 2,202.66, 3,038.99 and 1,992.20

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Solution

The fourth proportional to 2,202.66, 3,038.99 and 1,992.20 is: 2,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.66 : 3,038.99 = 1,992.20 : x
  2. Step 2: Convert to fraction form
    2,202.66/3,038.99 = 1,992.20/x
  3. Step 3: Cross multiply
    2,202.66x = 3,038.99 × 1,992.20
  4. Step 4: Simplify right side
    2,202.66x = 6,054,250.72
  5. Step 5: Solve for x
    x = 6,054,250.72/2,202.66
  6. Step 6: Final answer
    x = 2,748.61

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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.