Home / 3,439.41-5,156.97-1,489.96

Finding the Fourth Proportional to 3,439.41, 5,156.97 and 1,489.96

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Solution

The fourth proportional to 3,439.41, 5,156.97 and 1,489.96 is: 2,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.41 : 5,156.97 = 1,489.96 : x
  2. Step 2: Convert to fraction form
    3,439.41/5,156.97 = 1,489.96/x
  3. Step 3: Cross multiply
    3,439.41x = 5,156.97 × 1,489.96
  4. Step 4: Simplify right side
    3,439.41x = 7,683,679.02
  5. Step 5: Solve for x
    x = 7,683,679.02/3,439.41
  6. Step 6: Final answer
    x = 2,234.01

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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.