Home / 3,967.40-5,475.05-2,199.03

Finding the Fourth Proportional to 3,967.40, 5,475.05 and 2,199.03

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Solution

The fourth proportional to 3,967.40, 5,475.05 and 2,199.03 is: 3,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.40 : 5,475.05 = 2,199.03 : x
  2. Step 2: Convert to fraction form
    3,967.40/5,475.05 = 2,199.03/x
  3. Step 3: Cross multiply
    3,967.40x = 5,475.05 × 2,199.03
  4. Step 4: Simplify right side
    3,967.40x = 12,039,788.21
  5. Step 5: Solve for x
    x = 12,039,788.21/3,967.40
  6. Step 6: Final answer
    x = 3,034.68

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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.