Home / 2,200.79-3,298.66-1,224.95

Finding the Fourth Proportional to 2,200.79, 3,298.66 and 1,224.95

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Solution

The fourth proportional to 2,200.79, 3,298.66 and 1,224.95 is: 1,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.79 : 3,298.66 = 1,224.95 : x
  2. Step 2: Convert to fraction form
    2,200.79/3,298.66 = 1,224.95/x
  3. Step 3: Cross multiply
    2,200.79x = 3,298.66 × 1,224.95
  4. Step 4: Simplify right side
    2,200.79x = 4,040,674.01
  5. Step 5: Solve for x
    x = 4,040,674.01/2,200.79
  6. Step 6: Final answer
    x = 1,836.01

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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.