Home / 3,386.78-5,079.26-1,195.22

Finding the Fourth Proportional to 3,386.78, 5,079.26 and 1,195.22

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Solution

The fourth proportional to 3,386.78, 5,079.26 and 1,195.22 is: 1,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.78 : 5,079.26 = 1,195.22 : x
  2. Step 2: Convert to fraction form
    3,386.78/5,079.26 = 1,195.22/x
  3. Step 3: Cross multiply
    3,386.78x = 5,079.26 × 1,195.22
  4. Step 4: Simplify right side
    3,386.78x = 6,070,833.14
  5. Step 5: Solve for x
    x = 6,070,833.14/3,386.78
  6. Step 6: Final answer
    x = 1,792.51

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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.