Home / 3,107.22-4,659.84-1,026.74

Finding the Fourth Proportional to 3,107.22, 4,659.84 and 1,026.74

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Solution

The fourth proportional to 3,107.22, 4,659.84 and 1,026.74 is: 1,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.22 : 4,659.84 = 1,026.74 : x
  2. Step 2: Convert to fraction form
    3,107.22/4,659.84 = 1,026.74/x
  3. Step 3: Cross multiply
    3,107.22x = 4,659.84 × 1,026.74
  4. Step 4: Simplify right side
    3,107.22x = 4,784,444.12
  5. Step 5: Solve for x
    x = 4,784,444.12/3,107.22
  6. Step 6: Final answer
    x = 1,539.78

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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.