Home / 3,686.85-5,086.60-2,361.35

Finding the Fourth Proportional to 3,686.85, 5,086.60 and 2,361.35

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Solution

The fourth proportional to 3,686.85, 5,086.60 and 2,361.35 is: 3,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.85 : 5,086.60 = 2,361.35 : x
  2. Step 2: Convert to fraction form
    3,686.85/5,086.60 = 2,361.35/x
  3. Step 3: Cross multiply
    3,686.85x = 5,086.60 × 2,361.35
  4. Step 4: Simplify right side
    3,686.85x = 12,011,249.72
  5. Step 5: Solve for x
    x = 12,011,249.72/3,686.85
  6. Step 6: Final answer
    x = 3,257.86

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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.