Home / 3,456.80-5,187.84-2,534.80

Finding the Fourth Proportional to 3,456.80, 5,187.84 and 2,534.80

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Solution

The fourth proportional to 3,456.80, 5,187.84 and 2,534.80 is: 3,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.80 : 5,187.84 = 2,534.80 : x
  2. Step 2: Convert to fraction form
    3,456.80/5,187.84 = 2,534.80/x
  3. Step 3: Cross multiply
    3,456.80x = 5,187.84 × 2,534.80
  4. Step 4: Simplify right side
    3,456.80x = 13,150,136.83
  5. Step 5: Solve for x
    x = 13,150,136.83/3,456.80
  6. Step 6: Final answer
    x = 3,804.14

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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.