Home / 3,182.36-4,771.14-2,087

Finding the Fourth Proportional to 3,182.36, 4,771.14 and 2,087

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Solution

The fourth proportional to 3,182.36, 4,771.14 and 2,087 is: 3,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.36 : 4,771.14 = 2,087 : x
  2. Step 2: Convert to fraction form
    3,182.36/4,771.14 = 2,087/x
  3. Step 3: Cross multiply
    3,182.36x = 4,771.14 × 2,087
  4. Step 4: Simplify right side
    3,182.36x = 9,957,369.18
  5. Step 5: Solve for x
    x = 9,957,369.18/3,182.36
  6. Step 6: Final answer
    x = 3,128.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.