Home / 3,452.09-5,175.80-1,111.39

Finding the Fourth Proportional to 3,452.09, 5,175.80 and 1,111.39

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Solution

The fourth proportional to 3,452.09, 5,175.80 and 1,111.39 is: 1,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.09 : 5,175.80 = 1,111.39 : x
  2. Step 2: Convert to fraction form
    3,452.09/5,175.80 = 1,111.39/x
  3. Step 3: Cross multiply
    3,452.09x = 5,175.80 × 1,111.39
  4. Step 4: Simplify right side
    3,452.09x = 5,752,318.03
  5. Step 5: Solve for x
    x = 5,752,318.03/3,452.09
  6. Step 6: Final answer
    x = 1,666.33

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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.