Home / 2,161.33-3,242.04-1,616.97

Finding the Fourth Proportional to 2,161.33, 3,242.04 and 1,616.97

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Solution

The fourth proportional to 2,161.33, 3,242.04 and 1,616.97 is: 2,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.33 : 3,242.04 = 1,616.97 : x
  2. Step 2: Convert to fraction form
    2,161.33/3,242.04 = 1,616.97/x
  3. Step 3: Cross multiply
    2,161.33x = 3,242.04 × 1,616.97
  4. Step 4: Simplify right side
    2,161.33x = 5,242,281.42
  5. Step 5: Solve for x
    x = 5,242,281.42/2,161.33
  6. Step 6: Final answer
    x = 2,425.49

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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.