Home / 2,083.90-3,130.38-1,262.56

Finding the Fourth Proportional to 2,083.90, 3,130.38 and 1,262.56

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Solution

The fourth proportional to 2,083.90, 3,130.38 and 1,262.56 is: 1,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.90 : 3,130.38 = 1,262.56 : x
  2. Step 2: Convert to fraction form
    2,083.90/3,130.38 = 1,262.56/x
  3. Step 3: Cross multiply
    2,083.90x = 3,130.38 × 1,262.56
  4. Step 4: Simplify right side
    2,083.90x = 3,952,292.57
  5. Step 5: Solve for x
    x = 3,952,292.57/2,083.90
  6. Step 6: Final answer
    x = 1,896.58

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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.