Home / 3,124.48-4,311.92-1,727.36

Finding the Fourth Proportional to 3,124.48, 4,311.92 and 1,727.36

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Solution

The fourth proportional to 3,124.48, 4,311.92 and 1,727.36 is: 2,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.48 : 4,311.92 = 1,727.36 : x
  2. Step 2: Convert to fraction form
    3,124.48/4,311.92 = 1,727.36/x
  3. Step 3: Cross multiply
    3,124.48x = 4,311.92 × 1,727.36
  4. Step 4: Simplify right side
    3,124.48x = 7,448,238.13
  5. Step 5: Solve for x
    x = 7,448,238.13/3,124.48
  6. Step 6: Final answer
    x = 2,383.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.