Home / 1,736.44-2,603.20-1,187.28

Finding the Fourth Proportional to 1,736.44, 2,603.20 and 1,187.28

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Solution

The fourth proportional to 1,736.44, 2,603.20 and 1,187.28 is: 1,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.44 : 2,603.20 = 1,187.28 : x
  2. Step 2: Convert to fraction form
    1,736.44/2,603.20 = 1,187.28/x
  3. Step 3: Cross multiply
    1,736.44x = 2,603.20 × 1,187.28
  4. Step 4: Simplify right side
    1,736.44x = 3,090,727.30
  5. Step 5: Solve for x
    x = 3,090,727.30/1,736.44
  6. Step 6: Final answer
    x = 1,779.92

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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.