Home / 2,611.36-3,603.66-1,432.43

Finding the Fourth Proportional to 2,611.36, 3,603.66 and 1,432.43

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Solution

The fourth proportional to 2,611.36, 3,603.66 and 1,432.43 is: 1,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.36 : 3,603.66 = 1,432.43 : x
  2. Step 2: Convert to fraction form
    2,611.36/3,603.66 = 1,432.43/x
  3. Step 3: Cross multiply
    2,611.36x = 3,603.66 × 1,432.43
  4. Step 4: Simplify right side
    2,611.36x = 5,161,990.69
  5. Step 5: Solve for x
    x = 5,161,990.69/2,611.36
  6. Step 6: Final answer
    x = 1,976.74

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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.