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Finding the Fourth Proportional to 1,304.91, 1,800.93 and 1,083.48

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Solution

The fourth proportional to 1,304.91, 1,800.93 and 1,083.48 is: 1,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.91 : 1,800.93 = 1,083.48 : x
  2. Step 2: Convert to fraction form
    1,304.91/1,800.93 = 1,083.48/x
  3. Step 3: Cross multiply
    1,304.91x = 1,800.93 × 1,083.48
  4. Step 4: Simplify right side
    1,304.91x = 1,951,268.95
  5. Step 5: Solve for x
    x = 1,951,268.95/1,304.91
  6. Step 6: Final answer
    x = 1,495.33

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1.5x scale

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.