Home / 3,118.23-4,671.81-2,651.67

Finding the Fourth Proportional to 3,118.23, 4,671.81 and 2,651.67

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Solution

The fourth proportional to 3,118.23, 4,671.81 and 2,651.67 is: 3,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.23 : 4,671.81 = 2,651.67 : x
  2. Step 2: Convert to fraction form
    3,118.23/4,671.81 = 2,651.67/x
  3. Step 3: Cross multiply
    3,118.23x = 4,671.81 × 2,651.67
  4. Step 4: Simplify right side
    3,118.23x = 12,388,098.42
  5. Step 5: Solve for x
    x = 12,388,098.42/3,118.23
  6. Step 6: Final answer
    x = 3,972.80

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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.