Home / 3,962.94-5,938.55-1,620.11

Finding the Fourth Proportional to 3,962.94, 5,938.55 and 1,620.11

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Solution

The fourth proportional to 3,962.94, 5,938.55 and 1,620.11 is: 2,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.94 : 5,938.55 = 1,620.11 : x
  2. Step 2: Convert to fraction form
    3,962.94/5,938.55 = 1,620.11/x
  3. Step 3: Cross multiply
    3,962.94x = 5,938.55 × 1,620.11
  4. Step 4: Simplify right side
    3,962.94x = 9,621,110.99
  5. Step 5: Solve for x
    x = 9,621,110.99/3,962.94
  6. Step 6: Final answer
    x = 2,427.77

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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.