Home / 3,548.34-5,324.34-1,987.38

Finding the Fourth Proportional to 3,548.34, 5,324.34 and 1,987.38

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Solution

The fourth proportional to 3,548.34, 5,324.34 and 1,987.38 is: 2,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.34 : 5,324.34 = 1,987.38 : x
  2. Step 2: Convert to fraction form
    3,548.34/5,324.34 = 1,987.38/x
  3. Step 3: Cross multiply
    3,548.34x = 5,324.34 × 1,987.38
  4. Step 4: Simplify right side
    3,548.34x = 10,581,486.83
  5. Step 5: Solve for x
    x = 10,581,486.83/3,548.34
  6. Step 6: Final answer
    x = 2,982.09

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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.