Home / 3,548.70-5,317.19-2,157.83

Finding the Fourth Proportional to 3,548.70, 5,317.19 and 2,157.83

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Solution

The fourth proportional to 3,548.70, 5,317.19 and 2,157.83 is: 3,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.70 : 5,317.19 = 2,157.83 : x
  2. Step 2: Convert to fraction form
    3,548.70/5,317.19 = 2,157.83/x
  3. Step 3: Cross multiply
    3,548.70x = 5,317.19 × 2,157.83
  4. Step 4: Simplify right side
    3,548.70x = 11,473,592.10
  5. Step 5: Solve for x
    x = 11,473,592.10/3,548.70
  6. Step 6: Final answer
    x = 3,233.18

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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.