Home / 2,847.62-4,271.63-1,679.33

Finding the Fourth Proportional to 2,847.62, 4,271.63 and 1,679.33

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Solution

The fourth proportional to 2,847.62, 4,271.63 and 1,679.33 is: 2,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.62 : 4,271.63 = 1,679.33 : x
  2. Step 2: Convert to fraction form
    2,847.62/4,271.63 = 1,679.33/x
  3. Step 3: Cross multiply
    2,847.62x = 4,271.63 × 1,679.33
  4. Step 4: Simplify right side
    2,847.62x = 7,173,446.65
  5. Step 5: Solve for x
    x = 7,173,446.65/2,847.62
  6. Step 6: Final answer
    x = 2,519.11

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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.