Home / 2,884.21-4,319.38-1,647.88

Finding the Fourth Proportional to 2,884.21, 4,319.38 and 1,647.88

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Solution

The fourth proportional to 2,884.21, 4,319.38 and 1,647.88 is: 2,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.21 : 4,319.38 = 1,647.88 : x
  2. Step 2: Convert to fraction form
    2,884.21/4,319.38 = 1,647.88/x
  3. Step 3: Cross multiply
    2,884.21x = 4,319.38 × 1,647.88
  4. Step 4: Simplify right side
    2,884.21x = 7,117,801.91
  5. Step 5: Solve for x
    x = 7,117,801.91/2,884.21
  6. Step 6: Final answer
    x = 2,467.85

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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.