Home / 3,779.33-5,667.03-2,219.81

Finding the Fourth Proportional to 3,779.33, 5,667.03 and 2,219.81

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Solution

The fourth proportional to 3,779.33, 5,667.03 and 2,219.81 is: 3,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.33 : 5,667.03 = 2,219.81 : x
  2. Step 2: Convert to fraction form
    3,779.33/5,667.03 = 2,219.81/x
  3. Step 3: Cross multiply
    3,779.33x = 5,667.03 × 2,219.81
  4. Step 4: Simplify right side
    3,779.33x = 12,579,701.53
  5. Step 5: Solve for x
    x = 12,579,701.53/3,779.33
  6. Step 6: Final answer
    x = 3,328.56

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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.