Home / 3,965.16-5,948.63-2,115.30

Finding the Fourth Proportional to 3,965.16, 5,948.63 and 2,115.30

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Solution

The fourth proportional to 3,965.16, 5,948.63 and 2,115.30 is: 3,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.16 : 5,948.63 = 2,115.30 : x
  2. Step 2: Convert to fraction form
    3,965.16/5,948.63 = 2,115.30/x
  3. Step 3: Cross multiply
    3,965.16x = 5,948.63 × 2,115.30
  4. Step 4: Simplify right side
    3,965.16x = 12,583,137.04
  5. Step 5: Solve for x
    x = 12,583,137.04/3,965.16
  6. Step 6: Final answer
    x = 3,173.42

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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.