Home / 3,087.86-4,257.16-2,667.33

Finding the Fourth Proportional to 3,087.86, 4,257.16 and 2,667.33

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Solution

The fourth proportional to 3,087.86, 4,257.16 and 2,667.33 is: 3,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.86 : 4,257.16 = 2,667.33 : x
  2. Step 2: Convert to fraction form
    3,087.86/4,257.16 = 2,667.33/x
  3. Step 3: Cross multiply
    3,087.86x = 4,257.16 × 2,667.33
  4. Step 4: Simplify right side
    3,087.86x = 11,355,243.91
  5. Step 5: Solve for x
    x = 11,355,243.91/3,087.86
  6. Step 6: Final answer
    x = 3,677.39

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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.