Home / 3,616.84-5,425.40-1,019.85

Finding the Fourth Proportional to 3,616.84, 5,425.40 and 1,019.85

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Solution

The fourth proportional to 3,616.84, 5,425.40 and 1,019.85 is: 1,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.84 : 5,425.40 = 1,019.85 : x
  2. Step 2: Convert to fraction form
    3,616.84/5,425.40 = 1,019.85/x
  3. Step 3: Cross multiply
    3,616.84x = 5,425.40 × 1,019.85
  4. Step 4: Simplify right side
    3,616.84x = 5,533,061.96
  5. Step 5: Solve for x
    x = 5,533,061.96/3,616.84
  6. Step 6: Final answer
    x = 1,529.81

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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.