Home / 3,483.03-4,806.67-1,991.09

Finding the Fourth Proportional to 3,483.03, 4,806.67 and 1,991.09

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Solution

The fourth proportional to 3,483.03, 4,806.67 and 1,991.09 is: 2,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.03 : 4,806.67 = 1,991.09 : x
  2. Step 2: Convert to fraction form
    3,483.03/4,806.67 = 1,991.09/x
  3. Step 3: Cross multiply
    3,483.03x = 4,806.67 × 1,991.09
  4. Step 4: Simplify right side
    3,483.03x = 9,570,507.02
  5. Step 5: Solve for x
    x = 9,570,507.02/3,483.03
  6. Step 6: Final answer
    x = 2,747.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.