Home / 3,887.58-5,834.25-2,157.66

Finding the Fourth Proportional to 3,887.58, 5,834.25 and 2,157.66

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Solution

The fourth proportional to 3,887.58, 5,834.25 and 2,157.66 is: 3,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.58 : 5,834.25 = 2,157.66 : x
  2. Step 2: Convert to fraction form
    3,887.58/5,834.25 = 2,157.66/x
  3. Step 3: Cross multiply
    3,887.58x = 5,834.25 × 2,157.66
  4. Step 4: Simplify right side
    3,887.58x = 12,588,327.86
  5. Step 5: Solve for x
    x = 12,588,327.86/3,887.58
  6. Step 6: Final answer
    x = 3,238.09

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1.5x scale

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.