Home / 3,022.61-4,529.59-1,721.39

Finding the Fourth Proportional to 3,022.61, 4,529.59 and 1,721.39

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Solution

The fourth proportional to 3,022.61, 4,529.59 and 1,721.39 is: 2,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.61 : 4,529.59 = 1,721.39 : x
  2. Step 2: Convert to fraction form
    3,022.61/4,529.59 = 1,721.39/x
  3. Step 3: Cross multiply
    3,022.61x = 4,529.59 × 1,721.39
  4. Step 4: Simplify right side
    3,022.61x = 7,797,159.68
  5. Step 5: Solve for x
    x = 7,797,159.68/3,022.61
  6. Step 6: Final answer
    x = 2,579.62

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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.