Home / 1,936.58-2,673.58-1,275.35

Finding the Fourth Proportional to 1,936.58, 2,673.58 and 1,275.35

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Solution

The fourth proportional to 1,936.58, 2,673.58 and 1,275.35 is: 1,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.58 : 2,673.58 = 1,275.35 : x
  2. Step 2: Convert to fraction form
    1,936.58/2,673.58 = 1,275.35/x
  3. Step 3: Cross multiply
    1,936.58x = 2,673.58 × 1,275.35
  4. Step 4: Simplify right side
    1,936.58x = 3,409,750.25
  5. Step 5: Solve for x
    x = 3,409,750.25/1,936.58
  6. Step 6: Final answer
    x = 1,760.71

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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.