Home / 3,107.64-4,661.30-1,159.69

Finding the Fourth Proportional to 3,107.64, 4,661.30 and 1,159.69

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Solution

The fourth proportional to 3,107.64, 4,661.30 and 1,159.69 is: 1,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.64 : 4,661.30 = 1,159.69 : x
  2. Step 2: Convert to fraction form
    3,107.64/4,661.30 = 1,159.69/x
  3. Step 3: Cross multiply
    3,107.64x = 4,661.30 × 1,159.69
  4. Step 4: Simplify right side
    3,107.64x = 5,405,654.24
  5. Step 5: Solve for x
    x = 5,405,654.24/3,107.64
  6. Step 6: Final answer
    x = 1,739.47

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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.