Home / 3,638.92-5,021.56-2,066.84

Finding the Fourth Proportional to 3,638.92, 5,021.56 and 2,066.84

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Solution

The fourth proportional to 3,638.92, 5,021.56 and 2,066.84 is: 2,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.92 : 5,021.56 = 2,066.84 : x
  2. Step 2: Convert to fraction form
    3,638.92/5,021.56 = 2,066.84/x
  3. Step 3: Cross multiply
    3,638.92x = 5,021.56 × 2,066.84
  4. Step 4: Simplify right side
    3,638.92x = 10,378,761.07
  5. Step 5: Solve for x
    x = 10,378,761.07/3,638.92
  6. Step 6: Final answer
    x = 2,852.15

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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.