Home / 4,115.44-5,681.64-2,841.31

Finding the Fourth Proportional to 4,115.44, 5,681.64 and 2,841.31

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Solution

The fourth proportional to 4,115.44, 5,681.64 and 2,841.31 is: 3,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.44 : 5,681.64 = 2,841.31 : x
  2. Step 2: Convert to fraction form
    4,115.44/5,681.64 = 2,841.31/x
  3. Step 3: Cross multiply
    4,115.44x = 5,681.64 × 2,841.31
  4. Step 4: Simplify right side
    4,115.44x = 16,143,300.55
  5. Step 5: Solve for x
    x = 16,143,300.55/4,115.44
  6. Step 6: Final answer
    x = 3,922.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.