Home / 3,829.84-5,744.78-1,521.34

Finding the Fourth Proportional to 3,829.84, 5,744.78 and 1,521.34

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Solution

The fourth proportional to 3,829.84, 5,744.78 and 1,521.34 is: 2,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.84 : 5,744.78 = 1,521.34 : x
  2. Step 2: Convert to fraction form
    3,829.84/5,744.78 = 1,521.34/x
  3. Step 3: Cross multiply
    3,829.84x = 5,744.78 × 1,521.34
  4. Step 4: Simplify right side
    3,829.84x = 8,739,763.61
  5. Step 5: Solve for x
    x = 8,739,763.61/3,829.84
  6. Step 6: Final answer
    x = 2,282.02

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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.