Home / 3,998.34-5,517.60-2,319.65

Finding the Fourth Proportional to 3,998.34, 5,517.60 and 2,319.65

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Solution

The fourth proportional to 3,998.34, 5,517.60 and 2,319.65 is: 3,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.34 : 5,517.60 = 2,319.65 : x
  2. Step 2: Convert to fraction form
    3,998.34/5,517.60 = 2,319.65/x
  3. Step 3: Cross multiply
    3,998.34x = 5,517.60 × 2,319.65
  4. Step 4: Simplify right side
    3,998.34x = 12,798,873.25
  5. Step 5: Solve for x
    x = 12,798,873.25/3,998.34
  6. Step 6: Final answer
    x = 3,201.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.