Home / 3,659.13-5,048.73-2,086.38

Finding the Fourth Proportional to 3,659.13, 5,048.73 and 2,086.38

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Solution

The fourth proportional to 3,659.13, 5,048.73 and 2,086.38 is: 2,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.13 : 5,048.73 = 2,086.38 : x
  2. Step 2: Convert to fraction form
    3,659.13/5,048.73 = 2,086.38/x
  3. Step 3: Cross multiply
    3,659.13x = 5,048.73 × 2,086.38
  4. Step 4: Simplify right side
    3,659.13x = 10,533,569.30
  5. Step 5: Solve for x
    x = 10,533,569.30/3,659.13
  6. Step 6: Final answer
    x = 2,878.71

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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.