Home / 1,963.35-2,709.46-1,112.52

Finding the Fourth Proportional to 1,963.35, 2,709.46 and 1,112.52

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Solution

The fourth proportional to 1,963.35, 2,709.46 and 1,112.52 is: 1,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.35 : 2,709.46 = 1,112.52 : x
  2. Step 2: Convert to fraction form
    1,963.35/2,709.46 = 1,112.52/x
  3. Step 3: Cross multiply
    1,963.35x = 2,709.46 × 1,112.52
  4. Step 4: Simplify right side
    1,963.35x = 3,014,328.44
  5. Step 5: Solve for x
    x = 3,014,328.44/1,963.35
  6. Step 6: Final answer
    x = 1,535.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.