Home / 3,494.05-4,820.09-2,168.18

Finding the Fourth Proportional to 3,494.05, 4,820.09 and 2,168.18

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Solution

The fourth proportional to 3,494.05, 4,820.09 and 2,168.18 is: 2,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.05 : 4,820.09 = 2,168.18 : x
  2. Step 2: Convert to fraction form
    3,494.05/4,820.09 = 2,168.18/x
  3. Step 3: Cross multiply
    3,494.05x = 4,820.09 × 2,168.18
  4. Step 4: Simplify right side
    3,494.05x = 10,450,818.07
  5. Step 5: Solve for x
    x = 10,450,818.07/3,494.05
  6. Step 6: Final answer
    x = 2,991.03

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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.