Home / 3,180.16-4,388.43-1,869.37

Finding the Fourth Proportional to 3,180.16, 4,388.43 and 1,869.37

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Solution

The fourth proportional to 3,180.16, 4,388.43 and 1,869.37 is: 2,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.16 : 4,388.43 = 1,869.37 : x
  2. Step 2: Convert to fraction form
    3,180.16/4,388.43 = 1,869.37/x
  3. Step 3: Cross multiply
    3,180.16x = 4,388.43 × 1,869.37
  4. Step 4: Simplify right side
    3,180.16x = 8,203,599.39
  5. Step 5: Solve for x
    x = 8,203,599.39/3,180.16
  6. Step 6: Final answer
    x = 2,579.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.