Home / 2,845.85-4,267.82-1,090.44

Finding the Fourth Proportional to 2,845.85, 4,267.82 and 1,090.44

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Solution

The fourth proportional to 2,845.85, 4,267.82 and 1,090.44 is: 1,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.85 : 4,267.82 = 1,090.44 : x
  2. Step 2: Convert to fraction form
    2,845.85/4,267.82 = 1,090.44/x
  3. Step 3: Cross multiply
    2,845.85x = 4,267.82 × 1,090.44
  4. Step 4: Simplify right side
    2,845.85x = 4,653,796.19
  5. Step 5: Solve for x
    x = 4,653,796.19/2,845.85
  6. Step 6: Final answer
    x = 1,635.30

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1.5x scale

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.