Home / 3,839.50-5,760.60-1,893.07

Finding the Fourth Proportional to 3,839.50, 5,760.60 and 1,893.07

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Solution

The fourth proportional to 3,839.50, 5,760.60 and 1,893.07 is: 2,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.50 : 5,760.60 = 1,893.07 : x
  2. Step 2: Convert to fraction form
    3,839.50/5,760.60 = 1,893.07/x
  3. Step 3: Cross multiply
    3,839.50x = 5,760.60 × 1,893.07
  4. Step 4: Simplify right side
    3,839.50x = 10,905,219.04
  5. Step 5: Solve for x
    x = 10,905,219.04/3,839.50
  6. Step 6: Final answer
    x = 2,840.27

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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.