Home / 3,723.36-5,137.56-2,150.88

Finding the Fourth Proportional to 3,723.36, 5,137.56 and 2,150.88

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Solution

The fourth proportional to 3,723.36, 5,137.56 and 2,150.88 is: 2,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.36 : 5,137.56 = 2,150.88 : x
  2. Step 2: Convert to fraction form
    3,723.36/5,137.56 = 2,150.88/x
  3. Step 3: Cross multiply
    3,723.36x = 5,137.56 × 2,150.88
  4. Step 4: Simplify right side
    3,723.36x = 11,050,275.05
  5. Step 5: Solve for x
    x = 11,050,275.05/3,723.36
  6. Step 6: Final answer
    x = 2,967.82

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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.