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Finding the Fourth Proportional to 3,500.80, 4,834.02 and 3,127.12

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Solution

The fourth proportional to 3,500.80, 4,834.02 and 3,127.12 is: 4,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.80 : 4,834.02 = 3,127.12 : x
  2. Step 2: Convert to fraction form
    3,500.80/4,834.02 = 3,127.12/x
  3. Step 3: Cross multiply
    3,500.80x = 4,834.02 × 3,127.12
  4. Step 4: Simplify right side
    3,500.80x = 15,116,560.62
  5. Step 5: Solve for x
    x = 15,116,560.62/3,500.80
  6. Step 6: Final answer
    x = 4,318.03

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1.5x scale

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.