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Finding the Fourth Proportional to 2,611.52, 3,603.73 and 1,432.34

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Solution

The fourth proportional to 2,611.52, 3,603.73 and 1,432.34 is: 1,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.52 : 3,603.73 = 1,432.34 : x
  2. Step 2: Convert to fraction form
    2,611.52/3,603.73 = 1,432.34/x
  3. Step 3: Cross multiply
    2,611.52x = 3,603.73 × 1,432.34
  4. Step 4: Simplify right side
    2,611.52x = 5,161,766.63
  5. Step 5: Solve for x
    x = 5,161,766.63/2,611.52
  6. Step 6: Final answer
    x = 1,976.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.