Home / 1,889.78-2,832.67-1,232.06

Finding the Fourth Proportional to 1,889.78, 2,832.67 and 1,232.06

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Solution

The fourth proportional to 1,889.78, 2,832.67 and 1,232.06 is: 1,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.78 : 2,832.67 = 1,232.06 : x
  2. Step 2: Convert to fraction form
    1,889.78/2,832.67 = 1,232.06/x
  3. Step 3: Cross multiply
    1,889.78x = 2,832.67 × 1,232.06
  4. Step 4: Simplify right side
    1,889.78x = 3,490,022.71
  5. Step 5: Solve for x
    x = 3,490,022.71/1,889.78
  6. Step 6: Final answer
    x = 1,846.79

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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.