Home / 3,759.79-5,638.18-1,162.03

Finding the Fourth Proportional to 3,759.79, 5,638.18 and 1,162.03

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Solution

The fourth proportional to 3,759.79, 5,638.18 and 1,162.03 is: 1,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.79 : 5,638.18 = 1,162.03 : x
  2. Step 2: Convert to fraction form
    3,759.79/5,638.18 = 1,162.03/x
  3. Step 3: Cross multiply
    3,759.79x = 5,638.18 × 1,162.03
  4. Step 4: Simplify right side
    3,759.79x = 6,551,734.31
  5. Step 5: Solve for x
    x = 6,551,734.31/3,759.79
  6. Step 6: Final answer
    x = 1,742.58

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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.