Home / 2,200.33-3,036.51-1,205.65

Finding the Fourth Proportional to 2,200.33, 3,036.51 and 1,205.65

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Solution

The fourth proportional to 2,200.33, 3,036.51 and 1,205.65 is: 1,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.33 : 3,036.51 = 1,205.65 : x
  2. Step 2: Convert to fraction form
    2,200.33/3,036.51 = 1,205.65/x
  3. Step 3: Cross multiply
    2,200.33x = 3,036.51 × 1,205.65
  4. Step 4: Simplify right side
    2,200.33x = 3,660,962.25
  5. Step 5: Solve for x
    x = 3,660,962.25/2,200.33
  6. Step 6: Final answer
    x = 1,663.82

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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.