Home / 2,919.78-4,029.32-1,593.48

Finding the Fourth Proportional to 2,919.78, 4,029.32 and 1,593.48

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Solution

The fourth proportional to 2,919.78, 4,029.32 and 1,593.48 is: 2,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.78 : 4,029.32 = 1,593.48 : x
  2. Step 2: Convert to fraction form
    2,919.78/4,029.32 = 1,593.48/x
  3. Step 3: Cross multiply
    2,919.78x = 4,029.32 × 1,593.48
  4. Step 4: Simplify right side
    2,919.78x = 6,420,632.87
  5. Step 5: Solve for x
    x = 6,420,632.87/2,919.78
  6. Step 6: Final answer
    x = 2,199.01

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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.