Home / 2,127.25-2,935.61-1,195.75

Finding the Fourth Proportional to 2,127.25, 2,935.61 and 1,195.75

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Solution

The fourth proportional to 2,127.25, 2,935.61 and 1,195.75 is: 1,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.25 : 2,935.61 = 1,195.75 : x
  2. Step 2: Convert to fraction form
    2,127.25/2,935.61 = 1,195.75/x
  3. Step 3: Cross multiply
    2,127.25x = 2,935.61 × 1,195.75
  4. Step 4: Simplify right side
    2,127.25x = 3,510,255.66
  5. Step 5: Solve for x
    x = 3,510,255.66/2,127.25
  6. Step 6: Final answer
    x = 1,650.14

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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.