Home / 2,293.52-3,165.04-1,245.56

Finding the Fourth Proportional to 2,293.52, 3,165.04 and 1,245.56

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Solution

The fourth proportional to 2,293.52, 3,165.04 and 1,245.56 is: 1,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.52 : 3,165.04 = 1,245.56 : x
  2. Step 2: Convert to fraction form
    2,293.52/3,165.04 = 1,245.56/x
  3. Step 3: Cross multiply
    2,293.52x = 3,165.04 × 1,245.56
  4. Step 4: Simplify right side
    2,293.52x = 3,942,247.22
  5. Step 5: Solve for x
    x = 3,942,247.22/2,293.52
  6. Step 6: Final answer
    x = 1,718.86

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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.