Home / 1,961.01-2,704.60-1,724.46

Finding the Fourth Proportional to 1,961.01, 2,704.60 and 1,724.46

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Solution

The fourth proportional to 1,961.01, 2,704.60 and 1,724.46 is: 2,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.01 : 2,704.60 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    1,961.01/2,704.60 = 1,724.46/x
  3. Step 3: Cross multiply
    1,961.01x = 2,704.60 × 1,724.46
  4. Step 4: Simplify right side
    1,961.01x = 4,663,974.52
  5. Step 5: Solve for x
    x = 4,663,974.52/1,961.01
  6. Step 6: Final answer
    x = 2,378.35

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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.