Home / 2,202.77-3,303.10-1,278.61

Finding the Fourth Proportional to 2,202.77, 3,303.10 and 1,278.61

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Solution

The fourth proportional to 2,202.77, 3,303.10 and 1,278.61 is: 1,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.77 : 3,303.10 = 1,278.61 : x
  2. Step 2: Convert to fraction form
    2,202.77/3,303.10 = 1,278.61/x
  3. Step 3: Cross multiply
    2,202.77x = 3,303.10 × 1,278.61
  4. Step 4: Simplify right side
    2,202.77x = 4,223,370.03
  5. Step 5: Solve for x
    x = 4,223,370.03/2,202.77
  6. Step 6: Final answer
    x = 1,917.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.