Home / 2,133.12-2,943.73-1,248.94

Finding the Fourth Proportional to 2,133.12, 2,943.73 and 1,248.94

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Solution

The fourth proportional to 2,133.12, 2,943.73 and 1,248.94 is: 1,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.12 : 2,943.73 = 1,248.94 : x
  2. Step 2: Convert to fraction form
    2,133.12/2,943.73 = 1,248.94/x
  3. Step 3: Cross multiply
    2,133.12x = 2,943.73 × 1,248.94
  4. Step 4: Simplify right side
    2,133.12x = 3,676,542.15
  5. Step 5: Solve for x
    x = 3,676,542.15/2,133.12
  6. Step 6: Final answer
    x = 1,723.55

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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.