Home / 3,538.62-5,309.28-1,347.84

Finding the Fourth Proportional to 3,538.62, 5,309.28 and 1,347.84

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Solution

The fourth proportional to 3,538.62, 5,309.28 and 1,347.84 is: 2,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.62 : 5,309.28 = 1,347.84 : x
  2. Step 2: Convert to fraction form
    3,538.62/5,309.28 = 1,347.84/x
  3. Step 3: Cross multiply
    3,538.62x = 5,309.28 × 1,347.84
  4. Step 4: Simplify right side
    3,538.62x = 7,156,059.96
  5. Step 5: Solve for x
    x = 7,156,059.96/3,538.62
  6. Step 6: Final answer
    x = 2,022.27

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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.