Home / 3,961.54-5,466.08-2,389.60

Finding the Fourth Proportional to 3,961.54, 5,466.08 and 2,389.60

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Solution

The fourth proportional to 3,961.54, 5,466.08 and 2,389.60 is: 3,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.54 : 5,466.08 = 2,389.60 : x
  2. Step 2: Convert to fraction form
    3,961.54/5,466.08 = 2,389.60/x
  3. Step 3: Cross multiply
    3,961.54x = 5,466.08 × 2,389.60
  4. Step 4: Simplify right side
    3,961.54x = 13,061,744.77
  5. Step 5: Solve for x
    x = 13,061,744.77/3,961.54
  6. Step 6: Final answer
    x = 3,297.14

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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.