Home / 3,712.32-5,118.66-2,963.88

Finding the Fourth Proportional to 3,712.32, 5,118.66 and 2,963.88

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Solution

The fourth proportional to 3,712.32, 5,118.66 and 2,963.88 is: 4,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.32 : 5,118.66 = 2,963.88 : x
  2. Step 2: Convert to fraction form
    3,712.32/5,118.66 = 2,963.88/x
  3. Step 3: Cross multiply
    3,712.32x = 5,118.66 × 2,963.88
  4. Step 4: Simplify right side
    3,712.32x = 15,171,094.00
  5. Step 5: Solve for x
    x = 15,171,094.00/3,712.32
  6. Step 6: Final answer
    x = 4,086.69

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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.