Home / 3,863.21-5,328.05-2,370.08

Finding the Fourth Proportional to 3,863.21, 5,328.05 and 2,370.08

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Solution

The fourth proportional to 3,863.21, 5,328.05 and 2,370.08 is: 3,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.21 : 5,328.05 = 2,370.08 : x
  2. Step 2: Convert to fraction form
    3,863.21/5,328.05 = 2,370.08/x
  3. Step 3: Cross multiply
    3,863.21x = 5,328.05 × 2,370.08
  4. Step 4: Simplify right side
    3,863.21x = 12,627,866.25
  5. Step 5: Solve for x
    x = 12,627,866.25/3,863.21
  6. Step 6: Final answer
    x = 3,268.75

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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.