Home / 3,219.03-4,438.29-2,589.57

Finding the Fourth Proportional to 3,219.03, 4,438.29 and 2,589.57

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Solution

The fourth proportional to 3,219.03, 4,438.29 and 2,589.57 is: 3,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.03 : 4,438.29 = 2,589.57 : x
  2. Step 2: Convert to fraction form
    3,219.03/4,438.29 = 2,589.57/x
  3. Step 3: Cross multiply
    3,219.03x = 4,438.29 × 2,589.57
  4. Step 4: Simplify right side
    3,219.03x = 11,493,262.64
  5. Step 5: Solve for x
    x = 11,493,262.64/3,219.03
  6. Step 6: Final answer
    x = 3,570.41

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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.