Home / 3,459.31-5,188.79-1,902.35

Finding the Fourth Proportional to 3,459.31, 5,188.79 and 1,902.35

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Solution

The fourth proportional to 3,459.31, 5,188.79 and 1,902.35 is: 2,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.31 : 5,188.79 = 1,902.35 : x
  2. Step 2: Convert to fraction form
    3,459.31/5,188.79 = 1,902.35/x
  3. Step 3: Cross multiply
    3,459.31x = 5,188.79 × 1,902.35
  4. Step 4: Simplify right side
    3,459.31x = 9,870,912.38
  5. Step 5: Solve for x
    x = 9,870,912.38/3,459.31
  6. Step 6: Final answer
    x = 2,853.44

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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.