Home / 3,494.05-4,821.69-1,900.66

Finding the Fourth Proportional to 3,494.05, 4,821.69 and 1,900.66

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Solution

The fourth proportional to 3,494.05, 4,821.69 and 1,900.66 is: 2,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.05 : 4,821.69 = 1,900.66 : x
  2. Step 2: Convert to fraction form
    3,494.05/4,821.69 = 1,900.66/x
  3. Step 3: Cross multiply
    3,494.05x = 4,821.69 × 1,900.66
  4. Step 4: Simplify right side
    3,494.05x = 9,164,393.32
  5. Step 5: Solve for x
    x = 9,164,393.32/3,494.05
  6. Step 6: Final answer
    x = 2,622.86

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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.