Home / 3,961.98-5,466.51-2,389.50

Finding the Fourth Proportional to 3,961.98, 5,466.51 and 2,389.50

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Solution

The fourth proportional to 3,961.98, 5,466.51 and 2,389.50 is: 3,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.98 : 5,466.51 = 2,389.50 : x
  2. Step 2: Convert to fraction form
    3,961.98/5,466.51 = 2,389.50/x
  3. Step 3: Cross multiply
    3,961.98x = 5,466.51 × 2,389.50
  4. Step 4: Simplify right side
    3,961.98x = 13,062,225.65
  5. Step 5: Solve for x
    x = 13,062,225.65/3,961.98
  6. Step 6: Final answer
    x = 3,296.89

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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.