Home / 3,623.15-5,431.48-1,889.75

Finding the Fourth Proportional to 3,623.15, 5,431.48 and 1,889.75

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Solution

The fourth proportional to 3,623.15, 5,431.48 and 1,889.75 is: 2,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.15 : 5,431.48 = 1,889.75 : x
  2. Step 2: Convert to fraction form
    3,623.15/5,431.48 = 1,889.75/x
  3. Step 3: Cross multiply
    3,623.15x = 5,431.48 × 1,889.75
  4. Step 4: Simplify right side
    3,623.15x = 10,264,139.33
  5. Step 5: Solve for x
    x = 10,264,139.33/3,623.15
  6. Step 6: Final answer
    x = 2,832.93

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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.