Home / 2,415.64-3,618.52-1,179.36

Finding the Fourth Proportional to 2,415.64, 3,618.52 and 1,179.36

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Solution

The fourth proportional to 2,415.64, 3,618.52 and 1,179.36 is: 1,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.64 : 3,618.52 = 1,179.36 : x
  2. Step 2: Convert to fraction form
    2,415.64/3,618.52 = 1,179.36/x
  3. Step 3: Cross multiply
    2,415.64x = 3,618.52 × 1,179.36
  4. Step 4: Simplify right side
    2,415.64x = 4,267,537.75
  5. Step 5: Solve for x
    x = 4,267,537.75/2,415.64
  6. Step 6: Final answer
    x = 1,766.63

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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.