Home / 2,929.60-4,394.86-1,083.31

Finding the Fourth Proportional to 2,929.60, 4,394.86 and 1,083.31

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Solution

The fourth proportional to 2,929.60, 4,394.86 and 1,083.31 is: 1,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.60 : 4,394.86 = 1,083.31 : x
  2. Step 2: Convert to fraction form
    2,929.60/4,394.86 = 1,083.31/x
  3. Step 3: Cross multiply
    2,929.60x = 4,394.86 × 1,083.31
  4. Step 4: Simplify right side
    2,929.60x = 4,760,982.09
  5. Step 5: Solve for x
    x = 4,760,982.09/2,929.60
  6. Step 6: Final answer
    x = 1,625.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.