Home / 2,127.73-3,170.20-2,008.36

Finding the Fourth Proportional to 2,127.73, 3,170.20 and 2,008.36

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Solution

The fourth proportional to 2,127.73, 3,170.20 and 2,008.36 is: 2,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.73 : 3,170.20 = 2,008.36 : x
  2. Step 2: Convert to fraction form
    2,127.73/3,170.20 = 2,008.36/x
  3. Step 3: Cross multiply
    2,127.73x = 3,170.20 × 2,008.36
  4. Step 4: Simplify right side
    2,127.73x = 6,366,887.02
  5. Step 5: Solve for x
    x = 6,366,887.02/2,127.73
  6. Step 6: Final answer
    x = 2,992.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.