Home / 2,392.20-3,605.79-2,293.32

Finding the Fourth Proportional to 2,392.20, 3,605.79 and 2,293.32

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Solution

The fourth proportional to 2,392.20, 3,605.79 and 2,293.32 is: 3,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.20 : 3,605.79 = 2,293.32 : x
  2. Step 2: Convert to fraction form
    2,392.20/3,605.79 = 2,293.32/x
  3. Step 3: Cross multiply
    2,392.20x = 3,605.79 × 2,293.32
  4. Step 4: Simplify right side
    2,392.20x = 8,269,230.32
  5. Step 5: Solve for x
    x = 8,269,230.32/2,392.20
  6. Step 6: Final answer
    x = 3,456.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.