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Finding the Fourth Proportional to 2,230.83, 3,346.40 and 843.91

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Solution

The fourth proportional to 2,230.83, 3,346.40 and 843.91 is: 1,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.83 : 3,346.40 = 843.91 : x
  2. Step 2: Convert to fraction form
    2,230.83/3,346.40 = 843.91/x
  3. Step 3: Cross multiply
    2,230.83x = 3,346.40 × 843.91
  4. Step 4: Simplify right side
    2,230.83x = 2,824,060.42
  5. Step 5: Solve for x
    x = 2,824,060.42/2,230.83
  6. Step 6: Final answer
    x = 1,265.92

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1.5x scale

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.