Home / 3,685.85-5,086.49-2,007.26

Finding the Fourth Proportional to 3,685.85, 5,086.49 and 2,007.26

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Solution

The fourth proportional to 3,685.85, 5,086.49 and 2,007.26 is: 2,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.85 : 5,086.49 = 2,007.26 : x
  2. Step 2: Convert to fraction form
    3,685.85/5,086.49 = 2,007.26/x
  3. Step 3: Cross multiply
    3,685.85x = 5,086.49 × 2,007.26
  4. Step 4: Simplify right side
    3,685.85x = 10,209,872.45
  5. Step 5: Solve for x
    x = 10,209,872.45/3,685.85
  6. Step 6: Final answer
    x = 2,770.02

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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.