Home / 2,345.52-3,236.49-1,992.87

Finding the Fourth Proportional to 2,345.52, 3,236.49 and 1,992.87

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Solution

The fourth proportional to 2,345.52, 3,236.49 and 1,992.87 is: 2,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.52 : 3,236.49 = 1,992.87 : x
  2. Step 2: Convert to fraction form
    2,345.52/3,236.49 = 1,992.87/x
  3. Step 3: Cross multiply
    2,345.52x = 3,236.49 × 1,992.87
  4. Step 4: Simplify right side
    2,345.52x = 6,449,903.83
  5. Step 5: Solve for x
    x = 6,449,903.83/2,345.52
  6. Step 6: Final answer
    x = 2,749.88

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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.