Home / 3,975.63-5,486.45-2,183.10

Finding the Fourth Proportional to 3,975.63, 5,486.45 and 2,183.10

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Solution

The fourth proportional to 3,975.63, 5,486.45 and 2,183.10 is: 3,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.63 : 5,486.45 = 2,183.10 : x
  2. Step 2: Convert to fraction form
    3,975.63/5,486.45 = 2,183.10/x
  3. Step 3: Cross multiply
    3,975.63x = 5,486.45 × 2,183.10
  4. Step 4: Simplify right side
    3,975.63x = 11,977,458.08
  5. Step 5: Solve for x
    x = 11,977,458.08/3,975.63
  6. Step 6: Final answer
    x = 3,012.72

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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.