Home / 3,371.91-4,653.11-1,879.76

Finding the Fourth Proportional to 3,371.91, 4,653.11 and 1,879.76

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Solution

The fourth proportional to 3,371.91, 4,653.11 and 1,879.76 is: 2,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.91 : 4,653.11 = 1,879.76 : x
  2. Step 2: Convert to fraction form
    3,371.91/4,653.11 = 1,879.76/x
  3. Step 3: Cross multiply
    3,371.91x = 4,653.11 × 1,879.76
  4. Step 4: Simplify right side
    3,371.91x = 8,746,697.39
  5. Step 5: Solve for x
    x = 8,746,697.39/3,371.91
  6. Step 6: Final answer
    x = 2,593.99

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1.5x scale

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.