Home / 1,415.98-1,954.26-1,179.60

Finding the Fourth Proportional to 1,415.98, 1,954.26 and 1,179.60

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Solution

The fourth proportional to 1,415.98, 1,954.26 and 1,179.60 is: 1,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.98 : 1,954.26 = 1,179.60 : x
  2. Step 2: Convert to fraction form
    1,415.98/1,954.26 = 1,179.60/x
  3. Step 3: Cross multiply
    1,415.98x = 1,954.26 × 1,179.60
  4. Step 4: Simplify right side
    1,415.98x = 2,305,237.77
  5. Step 5: Solve for x
    x = 2,305,237.77/1,415.98
  6. Step 6: Final answer
    x = 1,628.01

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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.