Home / 3,259.20-4,893.60-1,963.20

Finding the Fourth Proportional to 3,259.20, 4,893.60 and 1,963.20

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Solution

The fourth proportional to 3,259.20, 4,893.60 and 1,963.20 is: 2,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.20 : 4,893.60 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    3,259.20/4,893.60 = 1,963.20/x
  3. Step 3: Cross multiply
    3,259.20x = 4,893.60 × 1,963.20
  4. Step 4: Simplify right side
    3,259.20x = 9,607,115.52
  5. Step 5: Solve for x
    x = 9,607,115.52/3,259.20
  6. Step 6: Final answer
    x = 2,947.69

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1.5x scale

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.