Home / 3,837.78-5,746.40-2,192.06

Finding the Fourth Proportional to 3,837.78, 5,746.40 and 2,192.06

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Solution

The fourth proportional to 3,837.78, 5,746.40 and 2,192.06 is: 3,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.78 : 5,746.40 = 2,192.06 : x
  2. Step 2: Convert to fraction form
    3,837.78/5,746.40 = 2,192.06/x
  3. Step 3: Cross multiply
    3,837.78x = 5,746.40 × 2,192.06
  4. Step 4: Simplify right side
    3,837.78x = 12,596,453.58
  5. Step 5: Solve for x
    x = 12,596,453.58/3,837.78
  6. Step 6: Final answer
    x = 3,282.22

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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.