Home / 3,967.57-5,475.44-2,199.18

Finding the Fourth Proportional to 3,967.57, 5,475.44 and 2,199.18

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Solution

The fourth proportional to 3,967.57, 5,475.44 and 2,199.18 is: 3,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.57 : 5,475.44 = 2,199.18 : x
  2. Step 2: Convert to fraction form
    3,967.57/5,475.44 = 2,199.18/x
  3. Step 3: Cross multiply
    3,967.57x = 5,475.44 × 2,199.18
  4. Step 4: Simplify right side
    3,967.57x = 12,041,478.14
  5. Step 5: Solve for x
    x = 12,041,478.14/3,967.57
  6. Step 6: Final answer
    x = 3,034.98

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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.