Home / 3,124.97-4,688.82-1,662.41

Finding the Fourth Proportional to 3,124.97, 4,688.82 and 1,662.41

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Solution

The fourth proportional to 3,124.97, 4,688.82 and 1,662.41 is: 2,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.97 : 4,688.82 = 1,662.41 : x
  2. Step 2: Convert to fraction form
    3,124.97/4,688.82 = 1,662.41/x
  3. Step 3: Cross multiply
    3,124.97x = 4,688.82 × 1,662.41
  4. Step 4: Simplify right side
    3,124.97x = 7,794,741.26
  5. Step 5: Solve for x
    x = 7,794,741.26/3,124.97
  6. Step 6: Final answer
    x = 2,494.34

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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.