Home / 2,920.21-4,029.85-1,593.90

Finding the Fourth Proportional to 2,920.21, 4,029.85 and 1,593.90

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Solution

The fourth proportional to 2,920.21, 4,029.85 and 1,593.90 is: 2,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.21 : 4,029.85 = 1,593.90 : x
  2. Step 2: Convert to fraction form
    2,920.21/4,029.85 = 1,593.90/x
  3. Step 3: Cross multiply
    2,920.21x = 4,029.85 × 1,593.90
  4. Step 4: Simplify right side
    2,920.21x = 6,423,177.92
  5. Step 5: Solve for x
    x = 6,423,177.92/2,920.21
  6. Step 6: Final answer
    x = 2,199.56

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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.