Home / 3,835.21-5,753.86-1,370.28

Finding the Fourth Proportional to 3,835.21, 5,753.86 and 1,370.28

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Solution

The fourth proportional to 3,835.21, 5,753.86 and 1,370.28 is: 2,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.21 : 5,753.86 = 1,370.28 : x
  2. Step 2: Convert to fraction form
    3,835.21/5,753.86 = 1,370.28/x
  3. Step 3: Cross multiply
    3,835.21x = 5,753.86 × 1,370.28
  4. Step 4: Simplify right side
    3,835.21x = 7,884,399.28
  5. Step 5: Solve for x
    x = 7,884,399.28/3,835.21
  6. Step 6: Final answer
    x = 2,055.79

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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.