Home / 3,608.16-5,412.72-1,759.02

Finding the Fourth Proportional to 3,608.16, 5,412.72 and 1,759.02

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Solution

The fourth proportional to 3,608.16, 5,412.72 and 1,759.02 is: 2,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 5,412.72 = 1,759.02 : x
  2. Step 2: Convert to fraction form
    3,608.16/5,412.72 = 1,759.02/x
  3. Step 3: Cross multiply
    3,608.16x = 5,412.72 × 1,759.02
  4. Step 4: Simplify right side
    3,608.16x = 9,521,082.73
  5. Step 5: Solve for x
    x = 9,521,082.73/3,608.16
  6. Step 6: Final answer
    x = 2,638.76

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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.