Home / 3,605.80-5,399.68-2,285.56

Finding the Fourth Proportional to 3,605.80, 5,399.68 and 2,285.56

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Solution

The fourth proportional to 3,605.80, 5,399.68 and 2,285.56 is: 3,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.80 : 5,399.68 = 2,285.56 : x
  2. Step 2: Convert to fraction form
    3,605.80/5,399.68 = 2,285.56/x
  3. Step 3: Cross multiply
    3,605.80x = 5,399.68 × 2,285.56
  4. Step 4: Simplify right side
    3,605.80x = 12,341,292.62
  5. Step 5: Solve for x
    x = 12,341,292.62/3,605.80
  6. Step 6: Final answer
    x = 3,422.62

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1.5x scale

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.