Home / 2,745.37-4,115.01-1,355.77

Finding the Fourth Proportional to 2,745.37, 4,115.01 and 1,355.77

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Solution

The fourth proportional to 2,745.37, 4,115.01 and 1,355.77 is: 2,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.37 : 4,115.01 = 1,355.77 : x
  2. Step 2: Convert to fraction form
    2,745.37/4,115.01 = 1,355.77/x
  3. Step 3: Cross multiply
    2,745.37x = 4,115.01 × 1,355.77
  4. Step 4: Simplify right side
    2,745.37x = 5,579,017.34
  5. Step 5: Solve for x
    x = 5,579,017.34/2,745.37
  6. Step 6: Final answer
    x = 2,032.15

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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.