Home / 3,686.92-5,087.88-2,008.36

Finding the Fourth Proportional to 3,686.92, 5,087.88 and 2,008.36

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Solution

The fourth proportional to 3,686.92, 5,087.88 and 2,008.36 is: 2,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.92 : 5,087.88 = 2,008.36 : x
  2. Step 2: Convert to fraction form
    3,686.92/5,087.88 = 2,008.36/x
  3. Step 3: Cross multiply
    3,686.92x = 5,087.88 × 2,008.36
  4. Step 4: Simplify right side
    3,686.92x = 10,218,294.68
  5. Step 5: Solve for x
    x = 10,218,294.68/3,686.92
  6. Step 6: Final answer
    x = 2,771.50

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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.