Home / 2,757.65-4,134.32-1,889.33

Finding the Fourth Proportional to 2,757.65, 4,134.32 and 1,889.33

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Solution

The fourth proportional to 2,757.65, 4,134.32 and 1,889.33 is: 2,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.65 : 4,134.32 = 1,889.33 : x
  2. Step 2: Convert to fraction form
    2,757.65/4,134.32 = 1,889.33/x
  3. Step 3: Cross multiply
    2,757.65x = 4,134.32 × 1,889.33
  4. Step 4: Simplify right side
    2,757.65x = 7,811,085.36
  5. Step 5: Solve for x
    x = 7,811,085.36/2,757.65
  6. Step 6: Final answer
    x = 2,832.52

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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.