Home / 1,927.36-2,660.74-1,336.87

Finding the Fourth Proportional to 1,927.36, 2,660.74 and 1,336.87

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Solution

The fourth proportional to 1,927.36, 2,660.74 and 1,336.87 is: 1,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.36 : 2,660.74 = 1,336.87 : x
  2. Step 2: Convert to fraction form
    1,927.36/2,660.74 = 1,336.87/x
  3. Step 3: Cross multiply
    1,927.36x = 2,660.74 × 1,336.87
  4. Step 4: Simplify right side
    1,927.36x = 3,557,063.48
  5. Step 5: Solve for x
    x = 3,557,063.48/1,927.36
  6. Step 6: Final answer
    x = 1,845.56

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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.