Home / 3,707.21-5,116.07-2,114.09

Finding the Fourth Proportional to 3,707.21, 5,116.07 and 2,114.09

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Solution

The fourth proportional to 3,707.21, 5,116.07 and 2,114.09 is: 2,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.21 : 5,116.07 = 2,114.09 : x
  2. Step 2: Convert to fraction form
    3,707.21/5,116.07 = 2,114.09/x
  3. Step 3: Cross multiply
    3,707.21x = 5,116.07 × 2,114.09
  4. Step 4: Simplify right side
    3,707.21x = 10,815,796.28
  5. Step 5: Solve for x
    x = 10,815,796.28/3,707.21
  6. Step 6: Final answer
    x = 2,917.51

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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.