Home / 1,929.09-2,662.14-1,044.89

Finding the Fourth Proportional to 1,929.09, 2,662.14 and 1,044.89

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Solution

The fourth proportional to 1,929.09, 2,662.14 and 1,044.89 is: 1,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.09 : 2,662.14 = 1,044.89 : x
  2. Step 2: Convert to fraction form
    1,929.09/2,662.14 = 1,044.89/x
  3. Step 3: Cross multiply
    1,929.09x = 2,662.14 × 1,044.89
  4. Step 4: Simplify right side
    1,929.09x = 2,781,643.46
  5. Step 5: Solve for x
    x = 2,781,643.46/1,929.09
  6. Step 6: Final answer
    x = 1,441.95

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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.