Home / 2,293.92-3,165.60-1,245.99

Finding the Fourth Proportional to 2,293.92, 3,165.60 and 1,245.99

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Solution

The fourth proportional to 2,293.92, 3,165.60 and 1,245.99 is: 1,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.92 : 3,165.60 = 1,245.99 : x
  2. Step 2: Convert to fraction form
    2,293.92/3,165.60 = 1,245.99/x
  3. Step 3: Cross multiply
    2,293.92x = 3,165.60 × 1,245.99
  4. Step 4: Simplify right side
    2,293.92x = 3,944,305.94
  5. Step 5: Solve for x
    x = 3,944,305.94/2,293.92
  6. Step 6: Final answer
    x = 1,719.46

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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.