Home / 3,875.62-5,348.54-2,197.09

Finding the Fourth Proportional to 3,875.62, 5,348.54 and 2,197.09

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Solution

The fourth proportional to 3,875.62, 5,348.54 and 2,197.09 is: 3,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.62 : 5,348.54 = 2,197.09 : x
  2. Step 2: Convert to fraction form
    3,875.62/5,348.54 = 2,197.09/x
  3. Step 3: Cross multiply
    3,875.62x = 5,348.54 × 2,197.09
  4. Step 4: Simplify right side
    3,875.62x = 11,751,223.75
  5. Step 5: Solve for x
    x = 11,751,223.75/3,875.62
  6. Step 6: Final answer
    x = 3,032.09

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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.