Home / 3,645.81-5,467.57-1,180.06

Finding the Fourth Proportional to 3,645.81, 5,467.57 and 1,180.06

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Solution

The fourth proportional to 3,645.81, 5,467.57 and 1,180.06 is: 1,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.81 : 5,467.57 = 1,180.06 : x
  2. Step 2: Convert to fraction form
    3,645.81/5,467.57 = 1,180.06/x
  3. Step 3: Cross multiply
    3,645.81x = 5,467.57 × 1,180.06
  4. Step 4: Simplify right side
    3,645.81x = 6,452,044.04
  5. Step 5: Solve for x
    x = 6,452,044.04/3,645.81
  6. Step 6: Final answer
    x = 1,769.71

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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.