Home / 3,745.64-5,621.52-2,651.06

Finding the Fourth Proportional to 3,745.64, 5,621.52 and 2,651.06

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Solution

The fourth proportional to 3,745.64, 5,621.52 and 2,651.06 is: 3,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.64 : 5,621.52 = 2,651.06 : x
  2. Step 2: Convert to fraction form
    3,745.64/5,621.52 = 2,651.06/x
  3. Step 3: Cross multiply
    3,745.64x = 5,621.52 × 2,651.06
  4. Step 4: Simplify right side
    3,745.64x = 14,902,986.81
  5. Step 5: Solve for x
    x = 14,902,986.81/3,745.64
  6. Step 6: Final answer
    x = 3,978.76

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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.