Home / 1,932.12-2,664.36-1,268.28

Finding the Fourth Proportional to 1,932.12, 2,664.36 and 1,268.28

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Solution

The fourth proportional to 1,932.12, 2,664.36 and 1,268.28 is: 1,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.12 : 2,664.36 = 1,268.28 : x
  2. Step 2: Convert to fraction form
    1,932.12/2,664.36 = 1,268.28/x
  3. Step 3: Cross multiply
    1,932.12x = 2,664.36 × 1,268.28
  4. Step 4: Simplify right side
    1,932.12x = 3,379,154.50
  5. Step 5: Solve for x
    x = 3,379,154.50/1,932.12
  6. Step 6: Final answer
    x = 1,748.94

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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.