Home / 3,070.14-4,604.73-1,121.88

Finding the Fourth Proportional to 3,070.14, 4,604.73 and 1,121.88

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Solution

The fourth proportional to 3,070.14, 4,604.73 and 1,121.88 is: 1,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.14 : 4,604.73 = 1,121.88 : x
  2. Step 2: Convert to fraction form
    3,070.14/4,604.73 = 1,121.88/x
  3. Step 3: Cross multiply
    3,070.14x = 4,604.73 × 1,121.88
  4. Step 4: Simplify right side
    3,070.14x = 5,165,954.49
  5. Step 5: Solve for x
    x = 5,165,954.49/3,070.14
  6. Step 6: Final answer
    x = 1,682.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.