Home / 2,827.89-3,897.95-2,237.31

Finding the Fourth Proportional to 2,827.89, 3,897.95 and 2,237.31

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Solution

The fourth proportional to 2,827.89, 3,897.95 and 2,237.31 is: 3,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.89 : 3,897.95 = 2,237.31 : x
  2. Step 2: Convert to fraction form
    2,827.89/3,897.95 = 2,237.31/x
  3. Step 3: Cross multiply
    2,827.89x = 3,897.95 × 2,237.31
  4. Step 4: Simplify right side
    2,827.89x = 8,720,911.33
  5. Step 5: Solve for x
    x = 8,720,911.33/2,827.89
  6. Step 6: Final answer
    x = 3,083.89

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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.