Home / 2,745.29-4,115.81-1,101.20

Finding the Fourth Proportional to 2,745.29, 4,115.81 and 1,101.20

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Solution

The fourth proportional to 2,745.29, 4,115.81 and 1,101.20 is: 1,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.29 : 4,115.81 = 1,101.20 : x
  2. Step 2: Convert to fraction form
    2,745.29/4,115.81 = 1,101.20/x
  3. Step 3: Cross multiply
    2,745.29x = 4,115.81 × 1,101.20
  4. Step 4: Simplify right side
    2,745.29x = 4,532,312.15
  5. Step 5: Solve for x
    x = 4,532,312.15/2,745.29
  6. Step 6: Final answer
    x = 1,650.94

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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.