Home / 2,989.37-4,476.75-2,581.13

Finding the Fourth Proportional to 2,989.37, 4,476.75 and 2,581.13

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Solution

The fourth proportional to 2,989.37, 4,476.75 and 2,581.13 is: 3,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.37 : 4,476.75 = 2,581.13 : x
  2. Step 2: Convert to fraction form
    2,989.37/4,476.75 = 2,581.13/x
  3. Step 3: Cross multiply
    2,989.37x = 4,476.75 × 2,581.13
  4. Step 4: Simplify right side
    2,989.37x = 11,555,073.73
  5. Step 5: Solve for x
    x = 11,555,073.73/2,989.37
  6. Step 6: Final answer
    x = 3,865.39

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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.