Home / 1,809.03-2,497.26-1,212.47

Finding the Fourth Proportional to 1,809.03, 2,497.26 and 1,212.47

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Solution

The fourth proportional to 1,809.03, 2,497.26 and 1,212.47 is: 1,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.03 : 2,497.26 = 1,212.47 : x
  2. Step 2: Convert to fraction form
    1,809.03/2,497.26 = 1,212.47/x
  3. Step 3: Cross multiply
    1,809.03x = 2,497.26 × 1,212.47
  4. Step 4: Simplify right side
    1,809.03x = 3,027,840.35
  5. Step 5: Solve for x
    x = 3,027,840.35/1,809.03
  6. Step 6: Final answer
    x = 1,673.74

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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.