Home / 2,976.93-4,464.79-1,127.41

Finding the Fourth Proportional to 2,976.93, 4,464.79 and 1,127.41

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Solution

The fourth proportional to 2,976.93, 4,464.79 and 1,127.41 is: 1,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.93 : 4,464.79 = 1,127.41 : x
  2. Step 2: Convert to fraction form
    2,976.93/4,464.79 = 1,127.41/x
  3. Step 3: Cross multiply
    2,976.93x = 4,464.79 × 1,127.41
  4. Step 4: Simplify right side
    2,976.93x = 5,033,634.91
  5. Step 5: Solve for x
    x = 5,033,634.91/2,976.93
  6. Step 6: Final answer
    x = 1,690.88

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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.