Home / 1,972.53-2,941.56-1,863.34

Finding the Fourth Proportional to 1,972.53, 2,941.56 and 1,863.34

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Solution

The fourth proportional to 1,972.53, 2,941.56 and 1,863.34 is: 2,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.53 : 2,941.56 = 1,863.34 : x
  2. Step 2: Convert to fraction form
    1,972.53/2,941.56 = 1,863.34/x
  3. Step 3: Cross multiply
    1,972.53x = 2,941.56 × 1,863.34
  4. Step 4: Simplify right side
    1,972.53x = 5,481,119.06
  5. Step 5: Solve for x
    x = 5,481,119.06/1,972.53
  6. Step 6: Final answer
    x = 2,778.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.