Home / 2,611.77-3,604.29-1,432.86

Finding the Fourth Proportional to 2,611.77, 3,604.29 and 1,432.86

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Solution

The fourth proportional to 2,611.77, 3,604.29 and 1,432.86 is: 1,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.77 : 3,604.29 = 1,432.86 : x
  2. Step 2: Convert to fraction form
    2,611.77/3,604.29 = 1,432.86/x
  3. Step 3: Cross multiply
    2,611.77x = 3,604.29 × 1,432.86
  4. Step 4: Simplify right side
    2,611.77x = 5,164,442.97
  5. Step 5: Solve for x
    x = 5,164,442.97/2,611.77
  6. Step 6: Final answer
    x = 1,977.37

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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.