Home / 4,211.88-6,317.82-1,900.68

Finding the Fourth Proportional to 4,211.88, 6,317.82 and 1,900.68

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Solution

The fourth proportional to 4,211.88, 6,317.82 and 1,900.68 is: 2,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.88 : 6,317.82 = 1,900.68 : x
  2. Step 2: Convert to fraction form
    4,211.88/6,317.82 = 1,900.68/x
  3. Step 3: Cross multiply
    4,211.88x = 6,317.82 × 1,900.68
  4. Step 4: Simplify right side
    4,211.88x = 12,008,154.12
  5. Step 5: Solve for x
    x = 12,008,154.12/4,211.88
  6. Step 6: Final answer
    x = 2,851.02

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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.