Home / 4,218.80-5,820.66-2,450.06

Finding the Fourth Proportional to 4,218.80, 5,820.66 and 2,450.06

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Solution

The fourth proportional to 4,218.80, 5,820.66 and 2,450.06 is: 3,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.80 : 5,820.66 = 2,450.06 : x
  2. Step 2: Convert to fraction form
    4,218.80/5,820.66 = 2,450.06/x
  3. Step 3: Cross multiply
    4,218.80x = 5,820.66 × 2,450.06
  4. Step 4: Simplify right side
    4,218.80x = 14,260,991.70
  5. Step 5: Solve for x
    x = 14,260,991.70/4,218.80
  6. Step 6: Final answer
    x = 3,380.34

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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.