Home / 3,965.43-5,940.21-1,887.45

Finding the Fourth Proportional to 3,965.43, 5,940.21 and 1,887.45

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Solution

The fourth proportional to 3,965.43, 5,940.21 and 1,887.45 is: 2,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.43 : 5,940.21 = 1,887.45 : x
  2. Step 2: Convert to fraction form
    3,965.43/5,940.21 = 1,887.45/x
  3. Step 3: Cross multiply
    3,965.43x = 5,940.21 × 1,887.45
  4. Step 4: Simplify right side
    3,965.43x = 11,211,849.36
  5. Step 5: Solve for x
    x = 11,211,849.36/3,965.43
  6. Step 6: Final answer
    x = 2,827.40

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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.