Home / 2,920.11-4,029.78-1,593.82

Finding the Fourth Proportional to 2,920.11, 4,029.78 and 1,593.82

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Solution

The fourth proportional to 2,920.11, 4,029.78 and 1,593.82 is: 2,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.11 : 4,029.78 = 1,593.82 : x
  2. Step 2: Convert to fraction form
    2,920.11/4,029.78 = 1,593.82/x
  3. Step 3: Cross multiply
    2,920.11x = 4,029.78 × 1,593.82
  4. Step 4: Simplify right side
    2,920.11x = 6,422,743.96
  5. Step 5: Solve for x
    x = 6,422,743.96/2,920.11
  6. Step 6: Final answer
    x = 2,199.49

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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.