Home / 3,328.19-4,989.78-2,011.67

Finding the Fourth Proportional to 3,328.19, 4,989.78 and 2,011.67

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Solution

The fourth proportional to 3,328.19, 4,989.78 and 2,011.67 is: 3,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.19 : 4,989.78 = 2,011.67 : x
  2. Step 2: Convert to fraction form
    3,328.19/4,989.78 = 2,011.67/x
  3. Step 3: Cross multiply
    3,328.19x = 4,989.78 × 2,011.67
  4. Step 4: Simplify right side
    3,328.19x = 10,037,790.73
  5. Step 5: Solve for x
    x = 10,037,790.73/3,328.19
  6. Step 6: Final answer
    x = 3,015.99

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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.