Home / 2,403.37-3,311.99-1,605.79

Finding the Fourth Proportional to 2,403.37, 3,311.99 and 1,605.79

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Solution

The fourth proportional to 2,403.37, 3,311.99 and 1,605.79 is: 2,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.37 : 3,311.99 = 1,605.79 : x
  2. Step 2: Convert to fraction form
    2,403.37/3,311.99 = 1,605.79/x
  3. Step 3: Cross multiply
    2,403.37x = 3,311.99 × 1,605.79
  4. Step 4: Simplify right side
    2,403.37x = 5,318,352.39
  5. Step 5: Solve for x
    x = 5,318,352.39/2,403.37
  6. Step 6: Final answer
    x = 2,212.87

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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.