Home / 1,935.92-2,671.25-1,274.36

Finding the Fourth Proportional to 1,935.92, 2,671.25 and 1,274.36

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Solution

The fourth proportional to 1,935.92, 2,671.25 and 1,274.36 is: 1,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.92 : 2,671.25 = 1,274.36 : x
  2. Step 2: Convert to fraction form
    1,935.92/2,671.25 = 1,274.36/x
  3. Step 3: Cross multiply
    1,935.92x = 2,671.25 × 1,274.36
  4. Step 4: Simplify right side
    1,935.92x = 3,404,114.42
  5. Step 5: Solve for x
    x = 3,404,114.42/1,935.92
  6. Step 6: Final answer
    x = 1,758.39

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1.5x scale

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.