Home / 2,200.12-3,036.25-1,205.44

Finding the Fourth Proportional to 2,200.12, 3,036.25 and 1,205.44

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Solution

The fourth proportional to 2,200.12, 3,036.25 and 1,205.44 is: 1,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.12 : 3,036.25 = 1,205.44 : x
  2. Step 2: Convert to fraction form
    2,200.12/3,036.25 = 1,205.44/x
  3. Step 3: Cross multiply
    2,200.12x = 3,036.25 × 1,205.44
  4. Step 4: Simplify right side
    2,200.12x = 3,660,017.20
  5. Step 5: Solve for x
    x = 3,660,017.20/2,200.12
  6. Step 6: Final answer
    x = 1,663.55

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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.