Home / 1,579.41-2,180.16-1,180.44

Finding the Fourth Proportional to 1,579.41, 2,180.16 and 1,180.44

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Solution

The fourth proportional to 1,579.41, 2,180.16 and 1,180.44 is: 1,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.41 : 2,180.16 = 1,180.44 : x
  2. Step 2: Convert to fraction form
    1,579.41/2,180.16 = 1,180.44/x
  3. Step 3: Cross multiply
    1,579.41x = 2,180.16 × 1,180.44
  4. Step 4: Simplify right side
    1,579.41x = 2,573,548.07
  5. Step 5: Solve for x
    x = 2,573,548.07/1,579.41
  6. Step 6: Final answer
    x = 1,629.44

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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.