Home / 1,935.58-2,672.20-1,274.35

Finding the Fourth Proportional to 1,935.58, 2,672.20 and 1,274.35

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Solution

The fourth proportional to 1,935.58, 2,672.20 and 1,274.35 is: 1,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.58 : 2,672.20 = 1,274.35 : x
  2. Step 2: Convert to fraction form
    1,935.58/2,672.20 = 1,274.35/x
  3. Step 3: Cross multiply
    1,935.58x = 2,672.20 × 1,274.35
  4. Step 4: Simplify right side
    1,935.58x = 3,405,321.26
  5. Step 5: Solve for x
    x = 3,405,321.26/1,935.58
  6. Step 6: Final answer
    x = 1,759.33

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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.