Home / 4,145.62-5,719.21-2,745.94

Finding the Fourth Proportional to 4,145.62, 5,719.21 and 2,745.94

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Solution

The fourth proportional to 4,145.62, 5,719.21 and 2,745.94 is: 3,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.62 : 5,719.21 = 2,745.94 : x
  2. Step 2: Convert to fraction form
    4,145.62/5,719.21 = 2,745.94/x
  3. Step 3: Cross multiply
    4,145.62x = 5,719.21 × 2,745.94
  4. Step 4: Simplify right side
    4,145.62x = 15,704,607.51
  5. Step 5: Solve for x
    x = 15,704,607.51/4,145.62
  6. Step 6: Final answer
    x = 3,788.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.