Home / 3,806.41-5,709.78-1,341.25

Finding the Fourth Proportional to 3,806.41, 5,709.78 and 1,341.25

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Solution

The fourth proportional to 3,806.41, 5,709.78 and 1,341.25 is: 2,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.41 : 5,709.78 = 1,341.25 : x
  2. Step 2: Convert to fraction form
    3,806.41/5,709.78 = 1,341.25/x
  3. Step 3: Cross multiply
    3,806.41x = 5,709.78 × 1,341.25
  4. Step 4: Simplify right side
    3,806.41x = 7,658,218.24
  5. Step 5: Solve for x
    x = 7,658,218.24/3,806.41
  6. Step 6: Final answer
    x = 2,011.93

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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.