Home / 3,960.90-5,466.74-2,546.34

Finding the Fourth Proportional to 3,960.90, 5,466.74 and 2,546.34

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Solution

The fourth proportional to 3,960.90, 5,466.74 and 2,546.34 is: 3,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.90 : 5,466.74 = 2,546.34 : x
  2. Step 2: Convert to fraction form
    3,960.90/5,466.74 = 2,546.34/x
  3. Step 3: Cross multiply
    3,960.90x = 5,466.74 × 2,546.34
  4. Step 4: Simplify right side
    3,960.90x = 13,920,166.00
  5. Step 5: Solve for x
    x = 13,920,166.00/3,960.90
  6. Step 6: Final answer
    x = 3,514.39

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1.5x scale

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.