Home / 3,925.32-5,416.77-2,132.73

Finding the Fourth Proportional to 3,925.32, 5,416.77 and 2,132.73

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Solution

The fourth proportional to 3,925.32, 5,416.77 and 2,132.73 is: 2,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.32 : 5,416.77 = 2,132.73 : x
  2. Step 2: Convert to fraction form
    3,925.32/5,416.77 = 2,132.73/x
  3. Step 3: Cross multiply
    3,925.32x = 5,416.77 × 2,132.73
  4. Step 4: Simplify right side
    3,925.32x = 11,552,507.88
  5. Step 5: Solve for x
    x = 11,552,507.88/3,925.32
  6. Step 6: Final answer
    x = 2,943.07

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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.