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Finding the Fourth Proportional to 3,316.43, 4,974.03 and 1,341.95

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Solution

The fourth proportional to 3,316.43, 4,974.03 and 1,341.95 is: 2,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.43 : 4,974.03 = 1,341.95 : x
  2. Step 2: Convert to fraction form
    3,316.43/4,974.03 = 1,341.95/x
  3. Step 3: Cross multiply
    3,316.43x = 4,974.03 × 1,341.95
  4. Step 4: Simplify right side
    3,316.43x = 6,674,874.69
  5. Step 5: Solve for x
    x = 6,674,874.69/3,316.43
  6. Step 6: Final answer
    x = 2,012.67

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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.