Home / 2,207.98-3,048.44-1,369.58

Finding the Fourth Proportional to 2,207.98, 3,048.44 and 1,369.58

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Solution

The fourth proportional to 2,207.98, 3,048.44 and 1,369.58 is: 1,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.98 : 3,048.44 = 1,369.58 : x
  2. Step 2: Convert to fraction form
    2,207.98/3,048.44 = 1,369.58/x
  3. Step 3: Cross multiply
    2,207.98x = 3,048.44 × 1,369.58
  4. Step 4: Simplify right side
    2,207.98x = 4,175,067.21
  5. Step 5: Solve for x
    x = 4,175,067.21/2,207.98
  6. Step 6: Final answer
    x = 1,890.90

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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.