Home / 3,021.84-4,521.80-1,789.84

Finding the Fourth Proportional to 3,021.84, 4,521.80 and 1,789.84

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Solution

The fourth proportional to 3,021.84, 4,521.80 and 1,789.84 is: 2,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.84 : 4,521.80 = 1,789.84 : x
  2. Step 2: Convert to fraction form
    3,021.84/4,521.80 = 1,789.84/x
  3. Step 3: Cross multiply
    3,021.84x = 4,521.80 × 1,789.84
  4. Step 4: Simplify right side
    3,021.84x = 8,093,298.51
  5. Step 5: Solve for x
    x = 8,093,298.51/3,021.84
  6. Step 6: Final answer
    x = 2,678.27

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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.