Home / 2,208.21-3,044.99-1,806.86

Finding the Fourth Proportional to 2,208.21, 3,044.99 and 1,806.86

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Solution

The fourth proportional to 2,208.21, 3,044.99 and 1,806.86 is: 2,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.21 : 3,044.99 = 1,806.86 : x
  2. Step 2: Convert to fraction form
    2,208.21/3,044.99 = 1,806.86/x
  3. Step 3: Cross multiply
    2,208.21x = 3,044.99 × 1,806.86
  4. Step 4: Simplify right side
    2,208.21x = 5,501,865.63
  5. Step 5: Solve for x
    x = 5,501,865.63/2,208.21
  6. Step 6: Final answer
    x = 2,491.55

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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.