Home / 2,989.04-4,124.49-1,662.64

Finding the Fourth Proportional to 2,989.04, 4,124.49 and 1,662.64

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Solution

The fourth proportional to 2,989.04, 4,124.49 and 1,662.64 is: 2,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.04 : 4,124.49 = 1,662.64 : x
  2. Step 2: Convert to fraction form
    2,989.04/4,124.49 = 1,662.64/x
  3. Step 3: Cross multiply
    2,989.04x = 4,124.49 × 1,662.64
  4. Step 4: Simplify right side
    2,989.04x = 6,857,542.05
  5. Step 5: Solve for x
    x = 6,857,542.05/2,989.04
  6. Step 6: Final answer
    x = 2,294.23

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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.