Home / 1,963.67-2,950.31-1,261.18

Finding the Fourth Proportional to 1,963.67, 2,950.31 and 1,261.18

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Solution

The fourth proportional to 1,963.67, 2,950.31 and 1,261.18 is: 1,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.67 : 2,950.31 = 1,261.18 : x
  2. Step 2: Convert to fraction form
    1,963.67/2,950.31 = 1,261.18/x
  3. Step 3: Cross multiply
    1,963.67x = 2,950.31 × 1,261.18
  4. Step 4: Simplify right side
    1,963.67x = 3,720,871.97
  5. Step 5: Solve for x
    x = 3,720,871.97/1,963.67
  6. Step 6: Final answer
    x = 1,894.86

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1.5x scale

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.