Home / 3,213.01-4,810.86-2,099.67

Finding the Fourth Proportional to 3,213.01, 4,810.86 and 2,099.67

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Solution

The fourth proportional to 3,213.01, 4,810.86 and 2,099.67 is: 3,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.01 : 4,810.86 = 2,099.67 : x
  2. Step 2: Convert to fraction form
    3,213.01/4,810.86 = 2,099.67/x
  3. Step 3: Cross multiply
    3,213.01x = 4,810.86 × 2,099.67
  4. Step 4: Simplify right side
    3,213.01x = 10,101,218.42
  5. Step 5: Solve for x
    x = 10,101,218.42/3,213.01
  6. Step 6: Final answer
    x = 3,143.85

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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.