Home / 3,419.35-4,721.51-2,162.44

Finding the Fourth Proportional to 3,419.35, 4,721.51 and 2,162.44

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Solution

The fourth proportional to 3,419.35, 4,721.51 and 2,162.44 is: 2,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.35 : 4,721.51 = 2,162.44 : x
  2. Step 2: Convert to fraction form
    3,419.35/4,721.51 = 2,162.44/x
  3. Step 3: Cross multiply
    3,419.35x = 4,721.51 × 2,162.44
  4. Step 4: Simplify right side
    3,419.35x = 10,209,982.08
  5. Step 5: Solve for x
    x = 10,209,982.08/3,419.35
  6. Step 6: Final answer
    x = 2,985.94

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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.