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Finding the Fourth Proportional to 3,322.83, 4,985.92 and 1,841.76

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Solution

The fourth proportional to 3,322.83, 4,985.92 and 1,841.76 is: 2,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.83 : 4,985.92 = 1,841.76 : x
  2. Step 2: Convert to fraction form
    3,322.83/4,985.92 = 1,841.76/x
  3. Step 3: Cross multiply
    3,322.83x = 4,985.92 × 1,841.76
  4. Step 4: Simplify right side
    3,322.83x = 9,182,868.02
  5. Step 5: Solve for x
    x = 9,182,868.02/3,322.83
  6. Step 6: Final answer
    x = 2,763.57

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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.