Home / 2,976.84-4,463.64-1,245.06

Finding the Fourth Proportional to 2,976.84, 4,463.64 and 1,245.06

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Solution

The fourth proportional to 2,976.84, 4,463.64 and 1,245.06 is: 1,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.84 : 4,463.64 = 1,245.06 : x
  2. Step 2: Convert to fraction form
    2,976.84/4,463.64 = 1,245.06/x
  3. Step 3: Cross multiply
    2,976.84x = 4,463.64 × 1,245.06
  4. Step 4: Simplify right side
    2,976.84x = 5,557,499.62
  5. Step 5: Solve for x
    x = 5,557,499.62/2,976.84
  6. Step 6: Final answer
    x = 1,866.91

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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.