Home / 3,222.08-4,834.80-1,683.20

Finding the Fourth Proportional to 3,222.08, 4,834.80 and 1,683.20

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Solution

The fourth proportional to 3,222.08, 4,834.80 and 1,683.20 is: 2,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.08 : 4,834.80 = 1,683.20 : x
  2. Step 2: Convert to fraction form
    3,222.08/4,834.80 = 1,683.20/x
  3. Step 3: Cross multiply
    3,222.08x = 4,834.80 × 1,683.20
  4. Step 4: Simplify right side
    3,222.08x = 8,137,935.36
  5. Step 5: Solve for x
    x = 8,137,935.36/3,222.08
  6. Step 6: Final answer
    x = 2,525.68

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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.