Home / 3,107.74-4,659.99-1,158.34

Finding the Fourth Proportional to 3,107.74, 4,659.99 and 1,158.34

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Solution

The fourth proportional to 3,107.74, 4,659.99 and 1,158.34 is: 1,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.74 : 4,659.99 = 1,158.34 : x
  2. Step 2: Convert to fraction form
    3,107.74/4,659.99 = 1,158.34/x
  3. Step 3: Cross multiply
    3,107.74x = 4,659.99 × 1,158.34
  4. Step 4: Simplify right side
    3,107.74x = 5,397,852.82
  5. Step 5: Solve for x
    x = 5,397,852.82/3,107.74
  6. Step 6: Final answer
    x = 1,736.91

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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.