Home / 2,611.22-3,603.48-1,432.29

Finding the Fourth Proportional to 2,611.22, 3,603.48 and 1,432.29

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Solution

The fourth proportional to 2,611.22, 3,603.48 and 1,432.29 is: 1,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.22 : 3,603.48 = 1,432.29 : x
  2. Step 2: Convert to fraction form
    2,611.22/3,603.48 = 1,432.29/x
  3. Step 3: Cross multiply
    2,611.22x = 3,603.48 × 1,432.29
  4. Step 4: Simplify right side
    2,611.22x = 5,161,228.37
  5. Step 5: Solve for x
    x = 5,161,228.37/2,611.22
  6. Step 6: Final answer
    x = 1,976.56

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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.