Home / 3,021.84-4,530.33-1,289.25

Finding the Fourth Proportional to 3,021.84, 4,530.33 and 1,289.25

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Solution

The fourth proportional to 3,021.84, 4,530.33 and 1,289.25 is: 1,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.84 : 4,530.33 = 1,289.25 : x
  2. Step 2: Convert to fraction form
    3,021.84/4,530.33 = 1,289.25/x
  3. Step 3: Cross multiply
    3,021.84x = 4,530.33 × 1,289.25
  4. Step 4: Simplify right side
    3,021.84x = 5,840,727.95
  5. Step 5: Solve for x
    x = 5,840,727.95/3,021.84
  6. Step 6: Final answer
    x = 1,932.84

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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.