Home / 3,645.30-5,466.07-1,179.80

Finding the Fourth Proportional to 3,645.30, 5,466.07 and 1,179.80

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Solution

The fourth proportional to 3,645.30, 5,466.07 and 1,179.80 is: 1,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.30 : 5,466.07 = 1,179.80 : x
  2. Step 2: Convert to fraction form
    3,645.30/5,466.07 = 1,179.80/x
  3. Step 3: Cross multiply
    3,645.30x = 5,466.07 × 1,179.80
  4. Step 4: Simplify right side
    3,645.30x = 6,448,869.39
  5. Step 5: Solve for x
    x = 6,448,869.39/3,645.30
  6. Step 6: Final answer
    x = 1,769.09

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1.5x scale

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.