Home / 1,961.67-2,943.71-1,759.98

Finding the Fourth Proportional to 1,961.67, 2,943.71 and 1,759.98

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Solution

The fourth proportional to 1,961.67, 2,943.71 and 1,759.98 is: 2,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.67 : 2,943.71 = 1,759.98 : x
  2. Step 2: Convert to fraction form
    1,961.67/2,943.71 = 1,759.98/x
  3. Step 3: Cross multiply
    1,961.67x = 2,943.71 × 1,759.98
  4. Step 4: Simplify right side
    1,961.67x = 5,180,860.41
  5. Step 5: Solve for x
    x = 5,180,860.41/1,961.67
  6. Step 6: Final answer
    x = 2,641.05

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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.