Home / 3,709.80-5,120.62-2,383.93

Finding the Fourth Proportional to 3,709.80, 5,120.62 and 2,383.93

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Solution

The fourth proportional to 3,709.80, 5,120.62 and 2,383.93 is: 3,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.80 : 5,120.62 = 2,383.93 : x
  2. Step 2: Convert to fraction form
    3,709.80/5,120.62 = 2,383.93/x
  3. Step 3: Cross multiply
    3,709.80x = 5,120.62 × 2,383.93
  4. Step 4: Simplify right side
    3,709.80x = 12,207,200.08
  5. Step 5: Solve for x
    x = 12,207,200.08/3,709.80
  6. Step 6: Final answer
    x = 3,290.53

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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.