Home / 3,686.30-5,083.73-2,744.47

Finding the Fourth Proportional to 3,686.30, 5,083.73 and 2,744.47

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Solution

The fourth proportional to 3,686.30, 5,083.73 and 2,744.47 is: 3,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.30 : 5,083.73 = 2,744.47 : x
  2. Step 2: Convert to fraction form
    3,686.30/5,083.73 = 2,744.47/x
  3. Step 3: Cross multiply
    3,686.30x = 5,083.73 × 2,744.47
  4. Step 4: Simplify right side
    3,686.30x = 13,952,118.04
  5. Step 5: Solve for x
    x = 13,952,118.04/3,686.30
  6. Step 6: Final answer
    x = 3,784.86

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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.