Home / 3,967.65-5,475.38-2,199.28

Finding the Fourth Proportional to 3,967.65, 5,475.38 and 2,199.28

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Solution

The fourth proportional to 3,967.65, 5,475.38 and 2,199.28 is: 3,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.65 : 5,475.38 = 2,199.28 : x
  2. Step 2: Convert to fraction form
    3,967.65/5,475.38 = 2,199.28/x
  3. Step 3: Cross multiply
    3,967.65x = 5,475.38 × 2,199.28
  4. Step 4: Simplify right side
    3,967.65x = 12,041,893.73
  5. Step 5: Solve for x
    x = 12,041,893.73/3,967.65
  6. Step 6: Final answer
    x = 3,035.02

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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.