Home / 3,189.21-4,396.19-2,598.72

Finding the Fourth Proportional to 3,189.21, 4,396.19 and 2,598.72

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Solution

The fourth proportional to 3,189.21, 4,396.19 and 2,598.72 is: 3,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.21 : 4,396.19 = 2,598.72 : x
  2. Step 2: Convert to fraction form
    3,189.21/4,396.19 = 2,598.72/x
  3. Step 3: Cross multiply
    3,189.21x = 4,396.19 × 2,598.72
  4. Step 4: Simplify right side
    3,189.21x = 11,424,453.88
  5. Step 5: Solve for x
    x = 11,424,453.88/3,189.21
  6. Step 6: Final answer
    x = 3,582.22

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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.