Home / 3,320.30-4,977.72-1,759.37

Finding the Fourth Proportional to 3,320.30, 4,977.72 and 1,759.37

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Solution

The fourth proportional to 3,320.30, 4,977.72 and 1,759.37 is: 2,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.30 : 4,977.72 = 1,759.37 : x
  2. Step 2: Convert to fraction form
    3,320.30/4,977.72 = 1,759.37/x
  3. Step 3: Cross multiply
    3,320.30x = 4,977.72 × 1,759.37
  4. Step 4: Simplify right side
    3,320.30x = 8,757,626.35
  5. Step 5: Solve for x
    x = 8,757,626.35/3,320.30
  6. Step 6: Final answer
    x = 2,637.60

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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.