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Finding the Fourth Proportional to 2,199.01, 3,297.29 and 901.39

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Solution

The fourth proportional to 2,199.01, 3,297.29 and 901.39 is: 1,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.01 : 3,297.29 = 901.39 : x
  2. Step 2: Convert to fraction form
    2,199.01/3,297.29 = 901.39/x
  3. Step 3: Cross multiply
    2,199.01x = 3,297.29 × 901.39
  4. Step 4: Simplify right side
    2,199.01x = 2,972,144.23
  5. Step 5: Solve for x
    x = 2,972,144.23/2,199.01
  6. Step 6: Final answer
    x = 1,351.58

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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.