Home / 3,360.85-5,039.46-2,578.92

Finding the Fourth Proportional to 3,360.85, 5,039.46 and 2,578.92

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Solution

The fourth proportional to 3,360.85, 5,039.46 and 2,578.92 is: 3,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.85 : 5,039.46 = 2,578.92 : x
  2. Step 2: Convert to fraction form
    3,360.85/5,039.46 = 2,578.92/x
  3. Step 3: Cross multiply
    3,360.85x = 5,039.46 × 2,578.92
  4. Step 4: Simplify right side
    3,360.85x = 12,996,338.99
  5. Step 5: Solve for x
    x = 12,996,338.99/3,360.85
  6. Step 6: Final answer
    x = 3,866.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.