Home / 3,741.36-5,160.66-2,305.20

Finding the Fourth Proportional to 3,741.36, 5,160.66 and 2,305.20

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Solution

The fourth proportional to 3,741.36, 5,160.66 and 2,305.20 is: 3,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.36 : 5,160.66 = 2,305.20 : x
  2. Step 2: Convert to fraction form
    3,741.36/5,160.66 = 2,305.20/x
  3. Step 3: Cross multiply
    3,741.36x = 5,160.66 × 2,305.20
  4. Step 4: Simplify right side
    3,741.36x = 11,896,353.43
  5. Step 5: Solve for x
    x = 11,896,353.43/3,741.36
  6. Step 6: Final answer
    x = 3,179.69

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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.