Home / 3,853.03-5,779.54-1,388.04

Finding the Fourth Proportional to 3,853.03, 5,779.54 and 1,388.04

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Solution

The fourth proportional to 3,853.03, 5,779.54 and 1,388.04 is: 2,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.03 : 5,779.54 = 1,388.04 : x
  2. Step 2: Convert to fraction form
    3,853.03/5,779.54 = 1,388.04/x
  3. Step 3: Cross multiply
    3,853.03x = 5,779.54 × 1,388.04
  4. Step 4: Simplify right side
    3,853.03x = 8,022,265.43
  5. Step 5: Solve for x
    x = 8,022,265.43/3,853.03
  6. Step 6: Final answer
    x = 2,082.07

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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.