Home / 3,890.10-5,837.40-1,550.33

Finding the Fourth Proportional to 3,890.10, 5,837.40 and 1,550.33

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Solution

The fourth proportional to 3,890.10, 5,837.40 and 1,550.33 is: 2,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.10 : 5,837.40 = 1,550.33 : x
  2. Step 2: Convert to fraction form
    3,890.10/5,837.40 = 1,550.33/x
  3. Step 3: Cross multiply
    3,890.10x = 5,837.40 × 1,550.33
  4. Step 4: Simplify right side
    3,890.10x = 9,049,867.16
  5. Step 5: Solve for x
    x = 9,049,867.16/3,890.10
  6. Step 6: Final answer
    x = 2,326.38

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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.