Home / 3,772.32-5,212.56-2,935.20

Finding the Fourth Proportional to 3,772.32, 5,212.56 and 2,935.20

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Solution

The fourth proportional to 3,772.32, 5,212.56 and 2,935.20 is: 4,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.32 : 5,212.56 = 2,935.20 : x
  2. Step 2: Convert to fraction form
    3,772.32/5,212.56 = 2,935.20/x
  3. Step 3: Cross multiply
    3,772.32x = 5,212.56 × 2,935.20
  4. Step 4: Simplify right side
    3,772.32x = 15,299,906.11
  5. Step 5: Solve for x
    x = 15,299,906.11/3,772.32
  6. Step 6: Final answer
    x = 4,055.83

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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.