Home / 3,967.75-5,475.28-2,199.32

Finding the Fourth Proportional to 3,967.75, 5,475.28 and 2,199.32

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Solution

The fourth proportional to 3,967.75, 5,475.28 and 2,199.32 is: 3,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.75 : 5,475.28 = 2,199.32 : x
  2. Step 2: Convert to fraction form
    3,967.75/5,475.28 = 2,199.32/x
  3. Step 3: Cross multiply
    3,967.75x = 5,475.28 × 2,199.32
  4. Step 4: Simplify right side
    3,967.75x = 12,041,892.81
  5. Step 5: Solve for x
    x = 12,041,892.81/3,967.75
  6. Step 6: Final answer
    x = 3,034.94

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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.