Home / 3,685.44-5,086.06-2,113.84

Finding the Fourth Proportional to 3,685.44, 5,086.06 and 2,113.84

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Solution

The fourth proportional to 3,685.44, 5,086.06 and 2,113.84 is: 2,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.44 : 5,086.06 = 2,113.84 : x
  2. Step 2: Convert to fraction form
    3,685.44/5,086.06 = 2,113.84/x
  3. Step 3: Cross multiply
    3,685.44x = 5,086.06 × 2,113.84
  4. Step 4: Simplify right side
    3,685.44x = 10,751,117.07
  5. Step 5: Solve for x
    x = 10,751,117.07/3,685.44
  6. Step 6: Final answer
    x = 2,917.19

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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.