Home / 2,883.32-3,979.50-2,261.24

Finding the Fourth Proportional to 2,883.32, 3,979.50 and 2,261.24

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Solution

The fourth proportional to 2,883.32, 3,979.50 and 2,261.24 is: 3,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.32 : 3,979.50 = 2,261.24 : x
  2. Step 2: Convert to fraction form
    2,883.32/3,979.50 = 2,261.24/x
  3. Step 3: Cross multiply
    2,883.32x = 3,979.50 × 2,261.24
  4. Step 4: Simplify right side
    2,883.32x = 8,998,604.58
  5. Step 5: Solve for x
    x = 8,998,604.58/2,883.32
  6. Step 6: Final answer
    x = 3,120.92

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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.