Home / 3,311.83-4,566.86-2,471.20

Finding the Fourth Proportional to 3,311.83, 4,566.86 and 2,471.20

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Solution

The fourth proportional to 3,311.83, 4,566.86 and 2,471.20 is: 3,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.83 : 4,566.86 = 2,471.20 : x
  2. Step 2: Convert to fraction form
    3,311.83/4,566.86 = 2,471.20/x
  3. Step 3: Cross multiply
    3,311.83x = 4,566.86 × 2,471.20
  4. Step 4: Simplify right side
    3,311.83x = 11,285,600.66
  5. Step 5: Solve for x
    x = 11,285,600.66/3,311.83
  6. Step 6: Final answer
    x = 3,407.67

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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.