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Finding the Fourth Proportional to 2,347, 3,238.52 and 1,994.36

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Solution

The fourth proportional to 2,347, 3,238.52 and 1,994.36 is: 2,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347 : 3,238.52 = 1,994.36 : x
  2. Step 2: Convert to fraction form
    2,347/3,238.52 = 1,994.36/x
  3. Step 3: Cross multiply
    2,347x = 3,238.52 × 1,994.36
  4. Step 4: Simplify right side
    2,347x = 6,458,774.75
  5. Step 5: Solve for x
    x = 6,458,774.75/2,347
  6. Step 6: Final answer
    x = 2,751.93

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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.