Home / 1,736.21-2,603.91-1,181.36

Finding the Fourth Proportional to 1,736.21, 2,603.91 and 1,181.36

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Solution

The fourth proportional to 1,736.21, 2,603.91 and 1,181.36 is: 1,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.21 : 2,603.91 = 1,181.36 : x
  2. Step 2: Convert to fraction form
    1,736.21/2,603.91 = 1,181.36/x
  3. Step 3: Cross multiply
    1,736.21x = 2,603.91 × 1,181.36
  4. Step 4: Simplify right side
    1,736.21x = 3,076,155.12
  5. Step 5: Solve for x
    x = 3,076,155.12/1,736.21
  6. Step 6: Final answer
    x = 1,771.76

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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.