Home / 3,156.90-4,729.96-2,230.67

Finding the Fourth Proportional to 3,156.90, 4,729.96 and 2,230.67

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Solution

The fourth proportional to 3,156.90, 4,729.96 and 2,230.67 is: 3,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.90 : 4,729.96 = 2,230.67 : x
  2. Step 2: Convert to fraction form
    3,156.90/4,729.96 = 2,230.67/x
  3. Step 3: Cross multiply
    3,156.90x = 4,729.96 × 2,230.67
  4. Step 4: Simplify right side
    3,156.90x = 10,550,950.65
  5. Step 5: Solve for x
    x = 10,550,950.65/3,156.90
  6. Step 6: Final answer
    x = 3,342.19

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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.