Home / 3,513.14-5,268.21-1,172.51

Finding the Fourth Proportional to 3,513.14, 5,268.21 and 1,172.51

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Solution

The fourth proportional to 3,513.14, 5,268.21 and 1,172.51 is: 1,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.14 : 5,268.21 = 1,172.51 : x
  2. Step 2: Convert to fraction form
    3,513.14/5,268.21 = 1,172.51/x
  3. Step 3: Cross multiply
    3,513.14x = 5,268.21 × 1,172.51
  4. Step 4: Simplify right side
    3,513.14x = 6,177,017.92
  5. Step 5: Solve for x
    x = 6,177,017.92/3,513.14
  6. Step 6: Final answer
    x = 1,758.26

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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.