Home / 3,564.81-4,919.38-2,072.64

Finding the Fourth Proportional to 3,564.81, 4,919.38 and 2,072.64

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Solution

The fourth proportional to 3,564.81, 4,919.38 and 2,072.64 is: 2,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.81 : 4,919.38 = 2,072.64 : x
  2. Step 2: Convert to fraction form
    3,564.81/4,919.38 = 2,072.64/x
  3. Step 3: Cross multiply
    3,564.81x = 4,919.38 × 2,072.64
  4. Step 4: Simplify right side
    3,564.81x = 10,196,101.02
  5. Step 5: Solve for x
    x = 10,196,101.02/3,564.81
  6. Step 6: Final answer
    x = 2,860.21

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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.