Home / 3,207.09-4,808.73-1,540.41

Finding the Fourth Proportional to 3,207.09, 4,808.73 and 1,540.41

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Solution

The fourth proportional to 3,207.09, 4,808.73 and 1,540.41 is: 2,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.09 : 4,808.73 = 1,540.41 : x
  2. Step 2: Convert to fraction form
    3,207.09/4,808.73 = 1,540.41/x
  3. Step 3: Cross multiply
    3,207.09x = 4,808.73 × 1,540.41
  4. Step 4: Simplify right side
    3,207.09x = 7,407,415.78
  5. Step 5: Solve for x
    x = 7,407,415.78/3,207.09
  6. Step 6: Final answer
    x = 2,309.70

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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.