Home / 2,293.88-3,165.57-1,245.96

Finding the Fourth Proportional to 2,293.88, 3,165.57 and 1,245.96

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Solution

The fourth proportional to 2,293.88, 3,165.57 and 1,245.96 is: 1,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.88 : 3,165.57 = 1,245.96 : x
  2. Step 2: Convert to fraction form
    2,293.88/3,165.57 = 1,245.96/x
  3. Step 3: Cross multiply
    2,293.88x = 3,165.57 × 1,245.96
  4. Step 4: Simplify right side
    2,293.88x = 3,944,173.60
  5. Step 5: Solve for x
    x = 3,944,173.60/2,293.88
  6. Step 6: Final answer
    x = 1,719.44

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1.5x scale

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.