Home / 3,347.34-5,020.29-2,115.42

Finding the Fourth Proportional to 3,347.34, 5,020.29 and 2,115.42

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Solution

The fourth proportional to 3,347.34, 5,020.29 and 2,115.42 is: 3,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.34 : 5,020.29 = 2,115.42 : x
  2. Step 2: Convert to fraction form
    3,347.34/5,020.29 = 2,115.42/x
  3. Step 3: Cross multiply
    3,347.34x = 5,020.29 × 2,115.42
  4. Step 4: Simplify right side
    3,347.34x = 10,620,021.87
  5. Step 5: Solve for x
    x = 10,620,021.87/3,347.34
  6. Step 6: Final answer
    x = 3,172.67

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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.