Home / 3,686.49-5,087.39-2,007.97

Finding the Fourth Proportional to 3,686.49, 5,087.39 and 2,007.97

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Solution

The fourth proportional to 3,686.49, 5,087.39 and 2,007.97 is: 2,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.49 : 5,087.39 = 2,007.97 : x
  2. Step 2: Convert to fraction form
    3,686.49/5,087.39 = 2,007.97/x
  3. Step 3: Cross multiply
    3,686.49x = 5,087.39 × 2,007.97
  4. Step 4: Simplify right side
    3,686.49x = 10,215,303.74
  5. Step 5: Solve for x
    x = 10,215,303.74/3,686.49
  6. Step 6: Final answer
    x = 2,771.01

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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.