Home / 3,405.14-5,106.11-2,018.67

Finding the Fourth Proportional to 3,405.14, 5,106.11 and 2,018.67

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Solution

The fourth proportional to 3,405.14, 5,106.11 and 2,018.67 is: 3,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.14 : 5,106.11 = 2,018.67 : x
  2. Step 2: Convert to fraction form
    3,405.14/5,106.11 = 2,018.67/x
  3. Step 3: Cross multiply
    3,405.14x = 5,106.11 × 2,018.67
  4. Step 4: Simplify right side
    3,405.14x = 10,307,551.07
  5. Step 5: Solve for x
    x = 10,307,551.07/3,405.14
  6. Step 6: Final answer
    x = 3,027.06

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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.