Home / 3,260.80-4,893.33-1,618.75

Finding the Fourth Proportional to 3,260.80, 4,893.33 and 1,618.75

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Solution

The fourth proportional to 3,260.80, 4,893.33 and 1,618.75 is: 2,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.80 : 4,893.33 = 1,618.75 : x
  2. Step 2: Convert to fraction form
    3,260.80/4,893.33 = 1,618.75/x
  3. Step 3: Cross multiply
    3,260.80x = 4,893.33 × 1,618.75
  4. Step 4: Simplify right side
    3,260.80x = 7,921,077.94
  5. Step 5: Solve for x
    x = 7,921,077.94/3,260.80
  6. Step 6: Final answer
    x = 2,429.18

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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.