Home / 3,321.16-4,581.78-2,141.80

Finding the Fourth Proportional to 3,321.16, 4,581.78 and 2,141.80

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Solution

The fourth proportional to 3,321.16, 4,581.78 and 2,141.80 is: 2,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.16 : 4,581.78 = 2,141.80 : x
  2. Step 2: Convert to fraction form
    3,321.16/4,581.78 = 2,141.80/x
  3. Step 3: Cross multiply
    3,321.16x = 4,581.78 × 2,141.80
  4. Step 4: Simplify right side
    3,321.16x = 9,813,256.40
  5. Step 5: Solve for x
    x = 9,813,256.40/3,321.16
  6. Step 6: Final answer
    x = 2,954.77

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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.