Home / 4,112.88-5,676.84-2,520.06

Finding the Fourth Proportional to 4,112.88, 5,676.84 and 2,520.06

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Solution

The fourth proportional to 4,112.88, 5,676.84 and 2,520.06 is: 3,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.88 : 5,676.84 = 2,520.06 : x
  2. Step 2: Convert to fraction form
    4,112.88/5,676.84 = 2,520.06/x
  3. Step 3: Cross multiply
    4,112.88x = 5,676.84 × 2,520.06
  4. Step 4: Simplify right side
    4,112.88x = 14,305,977.41
  5. Step 5: Solve for x
    x = 14,305,977.41/4,112.88
  6. Step 6: Final answer
    x = 3,478.34

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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.