Home / 3,247.85-4,485.02-2,893.83

Finding the Fourth Proportional to 3,247.85, 4,485.02 and 2,893.83

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Solution

The fourth proportional to 3,247.85, 4,485.02 and 2,893.83 is: 3,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.85 : 4,485.02 = 2,893.83 : x
  2. Step 2: Convert to fraction form
    3,247.85/4,485.02 = 2,893.83/x
  3. Step 3: Cross multiply
    3,247.85x = 4,485.02 × 2,893.83
  4. Step 4: Simplify right side
    3,247.85x = 12,978,870.42
  5. Step 5: Solve for x
    x = 12,978,870.42/3,247.85
  6. Step 6: Final answer
    x = 3,996.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.