Home / 1,983.75-2,976.23-1,252.32

Finding the Fourth Proportional to 1,983.75, 2,976.23 and 1,252.32

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Solution

The fourth proportional to 1,983.75, 2,976.23 and 1,252.32 is: 1,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.75 : 2,976.23 = 1,252.32 : x
  2. Step 2: Convert to fraction form
    1,983.75/2,976.23 = 1,252.32/x
  3. Step 3: Cross multiply
    1,983.75x = 2,976.23 × 1,252.32
  4. Step 4: Simplify right side
    1,983.75x = 3,727,192.35
  5. Step 5: Solve for x
    x = 3,727,192.35/1,983.75
  6. Step 6: Final answer
    x = 1,878.86

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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.