Home / 2,208.59-3,028.08-2,169.13

Finding the Fourth Proportional to 2,208.59, 3,028.08 and 2,169.13

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Solution

The fourth proportional to 2,208.59, 3,028.08 and 2,169.13 is: 2,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.59 : 3,028.08 = 2,169.13 : x
  2. Step 2: Convert to fraction form
    2,208.59/3,028.08 = 2,169.13/x
  3. Step 3: Cross multiply
    2,208.59x = 3,028.08 × 2,169.13
  4. Step 4: Simplify right side
    2,208.59x = 6,568,305.41
  5. Step 5: Solve for x
    x = 6,568,305.41/2,208.59
  6. Step 6: Final answer
    x = 2,973.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.