Home / 2,154.57-3,232.78-1,179.53

Finding the Fourth Proportional to 2,154.57, 3,232.78 and 1,179.53

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Solution

The fourth proportional to 2,154.57, 3,232.78 and 1,179.53 is: 1,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.57 : 3,232.78 = 1,179.53 : x
  2. Step 2: Convert to fraction form
    2,154.57/3,232.78 = 1,179.53/x
  3. Step 3: Cross multiply
    2,154.57x = 3,232.78 × 1,179.53
  4. Step 4: Simplify right side
    2,154.57x = 3,813,154.00
  5. Step 5: Solve for x
    x = 3,813,154.00/2,154.57
  6. Step 6: Final answer
    x = 1,769.80

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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.