Home / 3,757.37-5,638.95-2,115.36

Finding the Fourth Proportional to 3,757.37, 5,638.95 and 2,115.36

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Solution

The fourth proportional to 3,757.37, 5,638.95 and 2,115.36 is: 3,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.37 : 5,638.95 = 2,115.36 : x
  2. Step 2: Convert to fraction form
    3,757.37/5,638.95 = 2,115.36/x
  3. Step 3: Cross multiply
    3,757.37x = 5,638.95 × 2,115.36
  4. Step 4: Simplify right side
    3,757.37x = 11,928,409.27
  5. Step 5: Solve for x
    x = 11,928,409.27/3,757.37
  6. Step 6: Final answer
    x = 3,174.67

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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.