Home / 3,480.04-5,229.80-2,857.96

Finding the Fourth Proportional to 3,480.04, 5,229.80 and 2,857.96

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Solution

The fourth proportional to 3,480.04, 5,229.80 and 2,857.96 is: 4,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.04 : 5,229.80 = 2,857.96 : x
  2. Step 2: Convert to fraction form
    3,480.04/5,229.80 = 2,857.96/x
  3. Step 3: Cross multiply
    3,480.04x = 5,229.80 × 2,857.96
  4. Step 4: Simplify right side
    3,480.04x = 14,946,559.21
  5. Step 5: Solve for x
    x = 14,946,559.21/3,480.04
  6. Step 6: Final answer
    x = 4,294.94

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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.