Home / 2,311.83-3,468.65-851.13

Finding the Fourth Proportional to 2,311.83, 3,468.65 and 851.13

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Solution

The fourth proportional to 2,311.83, 3,468.65 and 851.13 is: 1,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.83 : 3,468.65 = 851.13 : x
  2. Step 2: Convert to fraction form
    2,311.83/3,468.65 = 851.13/x
  3. Step 3: Cross multiply
    2,311.83x = 3,468.65 × 851.13
  4. Step 4: Simplify right side
    2,311.83x = 2,952,267.82
  5. Step 5: Solve for x
    x = 2,952,267.82/2,311.83
  6. Step 6: Final answer
    x = 1,277.03

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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.