Home / 1,436.77-2,155.62-1,179.59

Finding the Fourth Proportional to 1,436.77, 2,155.62 and 1,179.59

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Solution

The fourth proportional to 1,436.77, 2,155.62 and 1,179.59 is: 1,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.77 : 2,155.62 = 1,179.59 : x
  2. Step 2: Convert to fraction form
    1,436.77/2,155.62 = 1,179.59/x
  3. Step 3: Cross multiply
    1,436.77x = 2,155.62 × 1,179.59
  4. Step 4: Simplify right side
    1,436.77x = 2,542,747.80
  5. Step 5: Solve for x
    x = 2,542,747.80/1,436.77
  6. Step 6: Final answer
    x = 1,769.77

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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.