Home / 3,405.32-5,099.34-2,719.88

Finding the Fourth Proportional to 3,405.32, 5,099.34 and 2,719.88

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Solution

The fourth proportional to 3,405.32, 5,099.34 and 2,719.88 is: 4,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.32 : 5,099.34 = 2,719.88 : x
  2. Step 2: Convert to fraction form
    3,405.32/5,099.34 = 2,719.88/x
  3. Step 3: Cross multiply
    3,405.32x = 5,099.34 × 2,719.88
  4. Step 4: Simplify right side
    3,405.32x = 13,869,592.88
  5. Step 5: Solve for x
    x = 13,869,592.88/3,405.32
  6. Step 6: Final answer
    x = 4,072.92

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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.