Home / 2,681.63-4,026.89-1,809.73

Finding the Fourth Proportional to 2,681.63, 4,026.89 and 1,809.73

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Solution

The fourth proportional to 2,681.63, 4,026.89 and 1,809.73 is: 2,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.63 : 4,026.89 = 1,809.73 : x
  2. Step 2: Convert to fraction form
    2,681.63/4,026.89 = 1,809.73/x
  3. Step 3: Cross multiply
    2,681.63x = 4,026.89 × 1,809.73
  4. Step 4: Simplify right side
    2,681.63x = 7,287,583.64
  5. Step 5: Solve for x
    x = 7,287,583.64/2,681.63
  6. Step 6: Final answer
    x = 2,717.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.