Home / 2,919.59-4,008.68-2,843.48

Finding the Fourth Proportional to 2,919.59, 4,008.68 and 2,843.48

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Solution

The fourth proportional to 2,919.59, 4,008.68 and 2,843.48 is: 3,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.59 : 4,008.68 = 2,843.48 : x
  2. Step 2: Convert to fraction form
    2,919.59/4,008.68 = 2,843.48/x
  3. Step 3: Cross multiply
    2,919.59x = 4,008.68 × 2,843.48
  4. Step 4: Simplify right side
    2,919.59x = 11,398,623.87
  5. Step 5: Solve for x
    x = 11,398,623.87/2,919.59
  6. Step 6: Final answer
    x = 3,904.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.