Home / 2,661.22-4,004.51-2,196.08

Finding the Fourth Proportional to 2,661.22, 4,004.51 and 2,196.08

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Solution

The fourth proportional to 2,661.22, 4,004.51 and 2,196.08 is: 3,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.22 : 4,004.51 = 2,196.08 : x
  2. Step 2: Convert to fraction form
    2,661.22/4,004.51 = 2,196.08/x
  3. Step 3: Cross multiply
    2,661.22x = 4,004.51 × 2,196.08
  4. Step 4: Simplify right side
    2,661.22x = 8,794,224.32
  5. Step 5: Solve for x
    x = 8,794,224.32/2,661.22
  6. Step 6: Final answer
    x = 3,304.58

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1.5x scale

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.