Home / 3,745.92-5,621.38-1,554.64

Finding the Fourth Proportional to 3,745.92, 5,621.38 and 1,554.64

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Solution

The fourth proportional to 3,745.92, 5,621.38 and 1,554.64 is: 2,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.92 : 5,621.38 = 1,554.64 : x
  2. Step 2: Convert to fraction form
    3,745.92/5,621.38 = 1,554.64/x
  3. Step 3: Cross multiply
    3,745.92x = 5,621.38 × 1,554.64
  4. Step 4: Simplify right side
    3,745.92x = 8,739,240.26
  5. Step 5: Solve for x
    x = 8,739,240.26/3,745.92
  6. Step 6: Final answer
    x = 2,333.01

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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.