Home / 3,938.99-5,904.43-1,748.75

Finding the Fourth Proportional to 3,938.99, 5,904.43 and 1,748.75

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Solution

The fourth proportional to 3,938.99, 5,904.43 and 1,748.75 is: 2,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.99 : 5,904.43 = 1,748.75 : x
  2. Step 2: Convert to fraction form
    3,938.99/5,904.43 = 1,748.75/x
  3. Step 3: Cross multiply
    3,938.99x = 5,904.43 × 1,748.75
  4. Step 4: Simplify right side
    3,938.99x = 10,325,371.96
  5. Step 5: Solve for x
    x = 10,325,371.96/3,938.99
  6. Step 6: Final answer
    x = 2,621.32

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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.