Home / 1,930.84-2,664.80-1,268.24

Finding the Fourth Proportional to 1,930.84, 2,664.80 and 1,268.24

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Solution

The fourth proportional to 1,930.84, 2,664.80 and 1,268.24 is: 1,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.84 : 2,664.80 = 1,268.24 : x
  2. Step 2: Convert to fraction form
    1,930.84/2,664.80 = 1,268.24/x
  3. Step 3: Cross multiply
    1,930.84x = 2,664.80 × 1,268.24
  4. Step 4: Simplify right side
    1,930.84x = 3,379,605.95
  5. Step 5: Solve for x
    x = 3,379,605.95/1,930.84
  6. Step 6: Final answer
    x = 1,750.33

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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.