Home / 1,959.12-2,698.52-1,644.03

Finding the Fourth Proportional to 1,959.12, 2,698.52 and 1,644.03

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Solution

The fourth proportional to 1,959.12, 2,698.52 and 1,644.03 is: 2,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.12 : 2,698.52 = 1,644.03 : x
  2. Step 2: Convert to fraction form
    1,959.12/2,698.52 = 1,644.03/x
  3. Step 3: Cross multiply
    1,959.12x = 2,698.52 × 1,644.03
  4. Step 4: Simplify right side
    1,959.12x = 4,436,439.62
  5. Step 5: Solve for x
    x = 4,436,439.62/1,959.12
  6. Step 6: Final answer
    x = 2,264.51

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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.