Home / 3,746.88-5,620.58-1,438.38

Finding the Fourth Proportional to 3,746.88, 5,620.58 and 1,438.38

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Solution

The fourth proportional to 3,746.88, 5,620.58 and 1,438.38 is: 2,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.88 : 5,620.58 = 1,438.38 : x
  2. Step 2: Convert to fraction form
    3,746.88/5,620.58 = 1,438.38/x
  3. Step 3: Cross multiply
    3,746.88x = 5,620.58 × 1,438.38
  4. Step 4: Simplify right side
    3,746.88x = 8,084,529.86
  5. Step 5: Solve for x
    x = 8,084,529.86/3,746.88
  6. Step 6: Final answer
    x = 2,157.67

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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.