Home / 2,133.17-2,945.12-1,634.88

Finding the Fourth Proportional to 2,133.17, 2,945.12 and 1,634.88

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Solution

The fourth proportional to 2,133.17, 2,945.12 and 1,634.88 is: 2,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.17 : 2,945.12 = 1,634.88 : x
  2. Step 2: Convert to fraction form
    2,133.17/2,945.12 = 1,634.88/x
  3. Step 3: Cross multiply
    2,133.17x = 2,945.12 × 1,634.88
  4. Step 4: Simplify right side
    2,133.17x = 4,814,909.61
  5. Step 5: Solve for x
    x = 4,814,909.61/2,133.17
  6. Step 6: Final answer
    x = 2,257.17

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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.