Home / 3,728.05-5,592.68-1,228.49

Finding the Fourth Proportional to 3,728.05, 5,592.68 and 1,228.49

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Solution

The fourth proportional to 3,728.05, 5,592.68 and 1,228.49 is: 1,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.05 : 5,592.68 = 1,228.49 : x
  2. Step 2: Convert to fraction form
    3,728.05/5,592.68 = 1,228.49/x
  3. Step 3: Cross multiply
    3,728.05x = 5,592.68 × 1,228.49
  4. Step 4: Simplify right side
    3,728.05x = 6,870,542.93
  5. Step 5: Solve for x
    x = 6,870,542.93/3,728.05
  6. Step 6: Final answer
    x = 1,842.93

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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.