Home / 2,745.85-4,108.49-1,631.19

Finding the Fourth Proportional to 2,745.85, 4,108.49 and 1,631.19

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Solution

The fourth proportional to 2,745.85, 4,108.49 and 1,631.19 is: 2,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.85 : 4,108.49 = 1,631.19 : x
  2. Step 2: Convert to fraction form
    2,745.85/4,108.49 = 1,631.19/x
  3. Step 3: Cross multiply
    2,745.85x = 4,108.49 × 1,631.19
  4. Step 4: Simplify right side
    2,745.85x = 6,701,699.10
  5. Step 5: Solve for x
    x = 6,701,699.10/2,745.85
  6. Step 6: Final answer
    x = 2,440.66

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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.