Home / 2,345.25-3,236.11-1,992.59

Finding the Fourth Proportional to 2,345.25, 3,236.11 and 1,992.59

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Solution

The fourth proportional to 2,345.25, 3,236.11 and 1,992.59 is: 2,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.25 : 3,236.11 = 1,992.59 : x
  2. Step 2: Convert to fraction form
    2,345.25/3,236.11 = 1,992.59/x
  3. Step 3: Cross multiply
    2,345.25x = 3,236.11 × 1,992.59
  4. Step 4: Simplify right side
    2,345.25x = 6,448,219.26
  5. Step 5: Solve for x
    x = 6,448,219.26/2,345.25
  6. Step 6: Final answer
    x = 2,749.48

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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.