Home / 3,911.65-5,867.73-1,571.35

Finding the Fourth Proportional to 3,911.65, 5,867.73 and 1,571.35

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Solution

The fourth proportional to 3,911.65, 5,867.73 and 1,571.35 is: 2,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.65 : 5,867.73 = 1,571.35 : x
  2. Step 2: Convert to fraction form
    3,911.65/5,867.73 = 1,571.35/x
  3. Step 3: Cross multiply
    3,911.65x = 5,867.73 × 1,571.35
  4. Step 4: Simplify right side
    3,911.65x = 9,220,257.54
  5. Step 5: Solve for x
    x = 9,220,257.54/3,911.65
  6. Step 6: Final answer
    x = 2,357.13

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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.