Home / 1,809.69-2,498.09-1,252.41

Finding the Fourth Proportional to 1,809.69, 2,498.09 and 1,252.41

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Solution

The fourth proportional to 1,809.69, 2,498.09 and 1,252.41 is: 1,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.69 : 2,498.09 = 1,252.41 : x
  2. Step 2: Convert to fraction form
    1,809.69/2,498.09 = 1,252.41/x
  3. Step 3: Cross multiply
    1,809.69x = 2,498.09 × 1,252.41
  4. Step 4: Simplify right side
    1,809.69x = 3,128,626.63
  5. Step 5: Solve for x
    x = 3,128,626.63/1,809.69
  6. Step 6: Final answer
    x = 1,728.82

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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.