Home / 3,322.11-4,985.08-1,243.55

Finding the Fourth Proportional to 3,322.11, 4,985.08 and 1,243.55

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Solution

The fourth proportional to 3,322.11, 4,985.08 and 1,243.55 is: 1,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.11 : 4,985.08 = 1,243.55 : x
  2. Step 2: Convert to fraction form
    3,322.11/4,985.08 = 1,243.55/x
  3. Step 3: Cross multiply
    3,322.11x = 4,985.08 × 1,243.55
  4. Step 4: Simplify right side
    3,322.11x = 6,199,205.59
  5. Step 5: Solve for x
    x = 6,199,205.59/3,322.11
  6. Step 6: Final answer
    x = 1,866.04

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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.