Home / 1,984.32-2,976.48-1,366.17

Finding the Fourth Proportional to 1,984.32, 2,976.48 and 1,366.17

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Solution

The fourth proportional to 1,984.32, 2,976.48 and 1,366.17 is: 2,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.32 : 2,976.48 = 1,366.17 : x
  2. Step 2: Convert to fraction form
    1,984.32/2,976.48 = 1,366.17/x
  3. Step 3: Cross multiply
    1,984.32x = 2,976.48 × 1,366.17
  4. Step 4: Simplify right side
    1,984.32x = 4,066,377.68
  5. Step 5: Solve for x
    x = 4,066,377.68/1,984.32
  6. Step 6: Final answer
    x = 2,049.26

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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.