Home / 3,367.58-5,050.76-1,421.15

Finding the Fourth Proportional to 3,367.58, 5,050.76 and 1,421.15

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Solution

The fourth proportional to 3,367.58, 5,050.76 and 1,421.15 is: 2,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.58 : 5,050.76 = 1,421.15 : x
  2. Step 2: Convert to fraction form
    3,367.58/5,050.76 = 1,421.15/x
  3. Step 3: Cross multiply
    3,367.58x = 5,050.76 × 1,421.15
  4. Step 4: Simplify right side
    3,367.58x = 7,177,855.21
  5. Step 5: Solve for x
    x = 7,177,855.21/3,367.58
  6. Step 6: Final answer
    x = 2,131.46

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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.