Home / 2,919.59-4,029.16-1,660.87

Finding the Fourth Proportional to 2,919.59, 4,029.16 and 1,660.87

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Solution

The fourth proportional to 2,919.59, 4,029.16 and 1,660.87 is: 2,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.59 : 4,029.16 = 1,660.87 : x
  2. Step 2: Convert to fraction form
    2,919.59/4,029.16 = 1,660.87/x
  3. Step 3: Cross multiply
    2,919.59x = 4,029.16 × 1,660.87
  4. Step 4: Simplify right side
    2,919.59x = 6,691,910.97
  5. Step 5: Solve for x
    x = 6,691,910.97/2,919.59
  6. Step 6: Final answer
    x = 2,292.07

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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.