Home / 3,673.16-5,507.91-2,112.75

Finding the Fourth Proportional to 3,673.16, 5,507.91 and 2,112.75

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Solution

The fourth proportional to 3,673.16, 5,507.91 and 2,112.75 is: 3,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.16 : 5,507.91 = 2,112.75 : x
  2. Step 2: Convert to fraction form
    3,673.16/5,507.91 = 2,112.75/x
  3. Step 3: Cross multiply
    3,673.16x = 5,507.91 × 2,112.75
  4. Step 4: Simplify right side
    3,673.16x = 11,636,836.85
  5. Step 5: Solve for x
    x = 11,636,836.85/3,673.16
  6. Step 6: Final answer
    x = 3,168.08

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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.