Home / 3,326.58-4,989.90-1,683.19

Finding the Fourth Proportional to 3,326.58, 4,989.90 and 1,683.19

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Solution

The fourth proportional to 3,326.58, 4,989.90 and 1,683.19 is: 2,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.58 : 4,989.90 = 1,683.19 : x
  2. Step 2: Convert to fraction form
    3,326.58/4,989.90 = 1,683.19/x
  3. Step 3: Cross multiply
    3,326.58x = 4,989.90 × 1,683.19
  4. Step 4: Simplify right side
    3,326.58x = 8,398,949.78
  5. Step 5: Solve for x
    x = 8,398,949.78/3,326.58
  6. Step 6: Final answer
    x = 2,524.80

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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.