Home / 3,716.19-5,129.42-2,300.31

Finding the Fourth Proportional to 3,716.19, 5,129.42 and 2,300.31

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Solution

The fourth proportional to 3,716.19, 5,129.42 and 2,300.31 is: 3,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.19 : 5,129.42 = 2,300.31 : x
  2. Step 2: Convert to fraction form
    3,716.19/5,129.42 = 2,300.31/x
  3. Step 3: Cross multiply
    3,716.19x = 5,129.42 × 2,300.31
  4. Step 4: Simplify right side
    3,716.19x = 11,799,244.62
  5. Step 5: Solve for x
    x = 11,799,244.62/3,716.19
  6. Step 6: Final answer
    x = 3,175.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.