Home / 3,187.60-4,786.80-2,366.80

Finding the Fourth Proportional to 3,187.60, 4,786.80 and 2,366.80

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Solution

The fourth proportional to 3,187.60, 4,786.80 and 2,366.80 is: 3,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.60 : 4,786.80 = 2,366.80 : x
  2. Step 2: Convert to fraction form
    3,187.60/4,786.80 = 2,366.80/x
  3. Step 3: Cross multiply
    3,187.60x = 4,786.80 × 2,366.80
  4. Step 4: Simplify right side
    3,187.60x = 11,329,398.24
  5. Step 5: Solve for x
    x = 11,329,398.24/3,187.60
  6. Step 6: Final answer
    x = 3,554.21

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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.