Home / 3,436.02-4,743.92-2,808.05

Finding the Fourth Proportional to 3,436.02, 4,743.92 and 2,808.05

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Solution

The fourth proportional to 3,436.02, 4,743.92 and 2,808.05 is: 3,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.02 : 4,743.92 = 2,808.05 : x
  2. Step 2: Convert to fraction form
    3,436.02/4,743.92 = 2,808.05/x
  3. Step 3: Cross multiply
    3,436.02x = 4,743.92 × 2,808.05
  4. Step 4: Simplify right side
    3,436.02x = 13,321,147.86
  5. Step 5: Solve for x
    x = 13,321,147.86/3,436.02
  6. Step 6: Final answer
    x = 3,876.91

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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.