Home / 3,897.12-5,847.99-1,433.67

Finding the Fourth Proportional to 3,897.12, 5,847.99 and 1,433.67

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Solution

The fourth proportional to 3,897.12, 5,847.99 and 1,433.67 is: 2,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.12 : 5,847.99 = 1,433.67 : x
  2. Step 2: Convert to fraction form
    3,897.12/5,847.99 = 1,433.67/x
  3. Step 3: Cross multiply
    3,897.12x = 5,847.99 × 1,433.67
  4. Step 4: Simplify right side
    3,897.12x = 8,384,080.65
  5. Step 5: Solve for x
    x = 8,384,080.65/3,897.12
  6. Step 6: Final answer
    x = 2,151.35

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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.