Home / 3,386.88-5,078.61-1,195.29

Finding the Fourth Proportional to 3,386.88, 5,078.61 and 1,195.29

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Solution

The fourth proportional to 3,386.88, 5,078.61 and 1,195.29 is: 1,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.88 : 5,078.61 = 1,195.29 : x
  2. Step 2: Convert to fraction form
    3,386.88/5,078.61 = 1,195.29/x
  3. Step 3: Cross multiply
    3,386.88x = 5,078.61 × 1,195.29
  4. Step 4: Simplify right side
    3,386.88x = 6,070,411.75
  5. Step 5: Solve for x
    x = 6,070,411.75/3,386.88
  6. Step 6: Final answer
    x = 1,792.33

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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.