Home / 2,200.33-3,300.65-1,275.56

Finding the Fourth Proportional to 2,200.33, 3,300.65 and 1,275.56

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Solution

The fourth proportional to 2,200.33, 3,300.65 and 1,275.56 is: 1,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.33 : 3,300.65 = 1,275.56 : x
  2. Step 2: Convert to fraction form
    2,200.33/3,300.65 = 1,275.56/x
  3. Step 3: Cross multiply
    2,200.33x = 3,300.65 × 1,275.56
  4. Step 4: Simplify right side
    2,200.33x = 4,210,177.11
  5. Step 5: Solve for x
    x = 4,210,177.11/2,200.33
  6. Step 6: Final answer
    x = 1,913.43

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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.