Home / 3,184.70-4,782.36-2,151.38

Finding the Fourth Proportional to 3,184.70, 4,782.36 and 2,151.38

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Solution

The fourth proportional to 3,184.70, 4,782.36 and 2,151.38 is: 3,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.70 : 4,782.36 = 2,151.38 : x
  2. Step 2: Convert to fraction form
    3,184.70/4,782.36 = 2,151.38/x
  3. Step 3: Cross multiply
    3,184.70x = 4,782.36 × 2,151.38
  4. Step 4: Simplify right side
    3,184.70x = 10,288,673.66
  5. Step 5: Solve for x
    x = 10,288,673.66/3,184.70
  6. Step 6: Final answer
    x = 3,230.66

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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.