Home / 1,935.02-2,672.54-1,274.82

Finding the Fourth Proportional to 1,935.02, 2,672.54 and 1,274.82

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Solution

The fourth proportional to 1,935.02, 2,672.54 and 1,274.82 is: 1,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.02 : 2,672.54 = 1,274.82 : x
  2. Step 2: Convert to fraction form
    1,935.02/2,672.54 = 1,274.82/x
  3. Step 3: Cross multiply
    1,935.02x = 2,672.54 × 1,274.82
  4. Step 4: Simplify right side
    1,935.02x = 3,407,007.44
  5. Step 5: Solve for x
    x = 3,407,007.44/1,935.02
  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.