Home / 3,131.92-4,698.23-1,052.07

Finding the Fourth Proportional to 3,131.92, 4,698.23 and 1,052.07

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Solution

The fourth proportional to 3,131.92, 4,698.23 and 1,052.07 is: 1,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.92 : 4,698.23 = 1,052.07 : x
  2. Step 2: Convert to fraction form
    3,131.92/4,698.23 = 1,052.07/x
  3. Step 3: Cross multiply
    3,131.92x = 4,698.23 × 1,052.07
  4. Step 4: Simplify right side
    3,131.92x = 4,942,866.84
  5. Step 5: Solve for x
    x = 4,942,866.84/3,131.92
  6. Step 6: Final answer
    x = 1,578.22

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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.