Home / 3,107.07-4,659.23-1,645.88

Finding the Fourth Proportional to 3,107.07, 4,659.23 and 1,645.88

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Solution

The fourth proportional to 3,107.07, 4,659.23 and 1,645.88 is: 2,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.07 : 4,659.23 = 1,645.88 : x
  2. Step 2: Convert to fraction form
    3,107.07/4,659.23 = 1,645.88/x
  3. Step 3: Cross multiply
    3,107.07x = 4,659.23 × 1,645.88
  4. Step 4: Simplify right side
    3,107.07x = 7,668,549.24
  5. Step 5: Solve for x
    x = 7,668,549.24/3,107.07
  6. Step 6: Final answer
    x = 2,468.10

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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.