Home / 4,102.52-6,155.86-1,761.90

Finding the Fourth Proportional to 4,102.52, 6,155.86 and 1,761.90

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Solution

The fourth proportional to 4,102.52, 6,155.86 and 1,761.90 is: 2,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.52 : 6,155.86 = 1,761.90 : x
  2. Step 2: Convert to fraction form
    4,102.52/6,155.86 = 1,761.90/x
  3. Step 3: Cross multiply
    4,102.52x = 6,155.86 × 1,761.90
  4. Step 4: Simplify right side
    4,102.52x = 10,846,009.73
  5. Step 5: Solve for x
    x = 10,846,009.73/4,102.52
  6. Step 6: Final answer
    x = 2,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.