Home / 3,519.21-4,856.85-2,340.66

Finding the Fourth Proportional to 3,519.21, 4,856.85 and 2,340.66

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Solution

The fourth proportional to 3,519.21, 4,856.85 and 2,340.66 is: 3,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.21 : 4,856.85 = 2,340.66 : x
  2. Step 2: Convert to fraction form
    3,519.21/4,856.85 = 2,340.66/x
  3. Step 3: Cross multiply
    3,519.21x = 4,856.85 × 2,340.66
  4. Step 4: Simplify right side
    3,519.21x = 11,368,234.52
  5. Step 5: Solve for x
    x = 11,368,234.52/3,519.21
  6. Step 6: Final answer
    x = 3,230.34

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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.