Home / 1,963.62-2,708.28-1,373.94

Finding the Fourth Proportional to 1,963.62, 2,708.28 and 1,373.94

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Solution

The fourth proportional to 1,963.62, 2,708.28 and 1,373.94 is: 1,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.62 : 2,708.28 = 1,373.94 : x
  2. Step 2: Convert to fraction form
    1,963.62/2,708.28 = 1,373.94/x
  3. Step 3: Cross multiply
    1,963.62x = 2,708.28 × 1,373.94
  4. Step 4: Simplify right side
    1,963.62x = 3,721,014.22
  5. Step 5: Solve for x
    x = 3,721,014.22/1,963.62
  6. Step 6: Final answer
    x = 1,894.98

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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.