Home / 2,232.78-3,349.31-1,259.70

Finding the Fourth Proportional to 2,232.78, 3,349.31 and 1,259.70

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Solution

The fourth proportional to 2,232.78, 3,349.31 and 1,259.70 is: 1,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.78 : 3,349.31 = 1,259.70 : x
  2. Step 2: Convert to fraction form
    2,232.78/3,349.31 = 1,259.70/x
  3. Step 3: Cross multiply
    2,232.78x = 3,349.31 × 1,259.70
  4. Step 4: Simplify right side
    2,232.78x = 4,219,119.51
  5. Step 5: Solve for x
    x = 4,219,119.51/2,232.78
  6. Step 6: Final answer
    x = 1,889.63

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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.