Home / 3,424.39-4,721.37-2,858.04

Finding the Fourth Proportional to 3,424.39, 4,721.37 and 2,858.04

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Solution

The fourth proportional to 3,424.39, 4,721.37 and 2,858.04 is: 3,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.39 : 4,721.37 = 2,858.04 : x
  2. Step 2: Convert to fraction form
    3,424.39/4,721.37 = 2,858.04/x
  3. Step 3: Cross multiply
    3,424.39x = 4,721.37 × 2,858.04
  4. Step 4: Simplify right side
    3,424.39x = 13,493,864.31
  5. Step 5: Solve for x
    x = 13,493,864.31/3,424.39
  6. Step 6: Final answer
    x = 3,940.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.