Home / 3,837.08-5,743.24-1,985.65

Finding the Fourth Proportional to 3,837.08, 5,743.24 and 1,985.65

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Solution

The fourth proportional to 3,837.08, 5,743.24 and 1,985.65 is: 2,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.08 : 5,743.24 = 1,985.65 : x
  2. Step 2: Convert to fraction form
    3,837.08/5,743.24 = 1,985.65/x
  3. Step 3: Cross multiply
    3,837.08x = 5,743.24 × 1,985.65
  4. Step 4: Simplify right side
    3,837.08x = 11,404,064.51
  5. Step 5: Solve for x
    x = 11,404,064.51/3,837.08
  6. Step 6: Final answer
    x = 2,972.07

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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.