Home / 3,571.65-5,358.15-1,231.11

Finding the Fourth Proportional to 3,571.65, 5,358.15 and 1,231.11

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Solution

The fourth proportional to 3,571.65, 5,358.15 and 1,231.11 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.65 : 5,358.15 = 1,231.11 : x
  2. Step 2: Convert to fraction form
    3,571.65/5,358.15 = 1,231.11/x
  3. Step 3: Cross multiply
    3,571.65x = 5,358.15 × 1,231.11
  4. Step 4: Simplify right side
    3,571.65x = 6,596,472.05
  5. Step 5: Solve for x
    x = 6,596,472.05/3,571.65
  6. Step 6: Final answer
    x = 1,846.90

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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.