Home / 3,091.77-4,638.87-1,144.13

Finding the Fourth Proportional to 3,091.77, 4,638.87 and 1,144.13

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Solution

The fourth proportional to 3,091.77, 4,638.87 and 1,144.13 is: 1,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.77 : 4,638.87 = 1,144.13 : x
  2. Step 2: Convert to fraction form
    3,091.77/4,638.87 = 1,144.13/x
  3. Step 3: Cross multiply
    3,091.77x = 4,638.87 × 1,144.13
  4. Step 4: Simplify right side
    3,091.77x = 5,307,447.14
  5. Step 5: Solve for x
    x = 5,307,447.14/3,091.77
  6. Step 6: Final answer
    x = 1,716.64

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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.