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Finding the Fourth Proportional to 2,345, 3,236.22 and 1,350.52

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Solution

The fourth proportional to 2,345, 3,236.22 and 1,350.52 is: 1,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345 : 3,236.22 = 1,350.52 : x
  2. Step 2: Convert to fraction form
    2,345/3,236.22 = 1,350.52/x
  3. Step 3: Cross multiply
    2,345x = 3,236.22 × 1,350.52
  4. Step 4: Simplify right side
    2,345x = 4,370,579.83
  5. Step 5: Solve for x
    x = 4,370,579.83/2,345
  6. Step 6: Final answer
    x = 1,863.79

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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.