Home / 2,976.12-4,464.48-1,415.86

Finding the Fourth Proportional to 2,976.12, 4,464.48 and 1,415.86

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Solution

The fourth proportional to 2,976.12, 4,464.48 and 1,415.86 is: 2,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.12 : 4,464.48 = 1,415.86 : x
  2. Step 2: Convert to fraction form
    2,976.12/4,464.48 = 1,415.86/x
  3. Step 3: Cross multiply
    2,976.12x = 4,464.48 × 1,415.86
  4. Step 4: Simplify right side
    2,976.12x = 6,321,078.65
  5. Step 5: Solve for x
    x = 6,321,078.65/2,976.12
  6. Step 6: Final answer
    x = 2,123.93

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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.