Home / 2,127.14-2,935.27-1,230.73

Finding the Fourth Proportional to 2,127.14, 2,935.27 and 1,230.73

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Solution

The fourth proportional to 2,127.14, 2,935.27 and 1,230.73 is: 1,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.14 : 2,935.27 = 1,230.73 : x
  2. Step 2: Convert to fraction form
    2,127.14/2,935.27 = 1,230.73/x
  3. Step 3: Cross multiply
    2,127.14x = 2,935.27 × 1,230.73
  4. Step 4: Simplify right side
    2,127.14x = 3,612,504.02
  5. Step 5: Solve for x
    x = 3,612,504.02/2,127.14
  6. Step 6: Final answer
    x = 1,698.30

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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.