Home / 3,324.09-4,989.20-1,681.79

Finding the Fourth Proportional to 3,324.09, 4,989.20 and 1,681.79

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Solution

The fourth proportional to 3,324.09, 4,989.20 and 1,681.79 is: 2,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.09 : 4,989.20 = 1,681.79 : x
  2. Step 2: Convert to fraction form
    3,324.09/4,989.20 = 1,681.79/x
  3. Step 3: Cross multiply
    3,324.09x = 4,989.20 × 1,681.79
  4. Step 4: Simplify right side
    3,324.09x = 8,390,753.31
  5. Step 5: Solve for x
    x = 8,390,753.31/3,324.09
  6. Step 6: Final answer
    x = 2,524.23

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1.5x scale

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.