Home / 2,311.68-3,466.40-1,141.76

Finding the Fourth Proportional to 2,311.68, 3,466.40 and 1,141.76

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Solution

The fourth proportional to 2,311.68, 3,466.40 and 1,141.76 is: 1,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.68 : 3,466.40 = 1,141.76 : x
  2. Step 2: Convert to fraction form
    2,311.68/3,466.40 = 1,141.76/x
  3. Step 3: Cross multiply
    2,311.68x = 3,466.40 × 1,141.76
  4. Step 4: Simplify right side
    2,311.68x = 3,957,796.86
  5. Step 5: Solve for x
    x = 3,957,796.86/2,311.68
  6. Step 6: Final answer
    x = 1,712.09

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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.