Home / 3,107.97-4,661.50-1,029.41

Finding the Fourth Proportional to 3,107.97, 4,661.50 and 1,029.41

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Solution

The fourth proportional to 3,107.97, 4,661.50 and 1,029.41 is: 1,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.97 : 4,661.50 = 1,029.41 : x
  2. Step 2: Convert to fraction form
    3,107.97/4,661.50 = 1,029.41/x
  3. Step 3: Cross multiply
    3,107.97x = 4,661.50 × 1,029.41
  4. Step 4: Simplify right side
    3,107.97x = 4,798,588.24
  5. Step 5: Solve for x
    x = 4,798,588.24/3,107.97
  6. Step 6: Final answer
    x = 1,543.96

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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.