Home / 2,206.37-3,044.21-1,309.88

Finding the Fourth Proportional to 2,206.37, 3,044.21 and 1,309.88

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Solution

The fourth proportional to 2,206.37, 3,044.21 and 1,309.88 is: 1,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.37 : 3,044.21 = 1,309.88 : x
  2. Step 2: Convert to fraction form
    2,206.37/3,044.21 = 1,309.88/x
  3. Step 3: Cross multiply
    2,206.37x = 3,044.21 × 1,309.88
  4. Step 4: Simplify right side
    2,206.37x = 3,987,537.85
  5. Step 5: Solve for x
    x = 3,987,537.85/2,206.37
  6. Step 6: Final answer
    x = 1,807.28

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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.