Home / 2,982.88-4,116.09-1,723.69

Finding the Fourth Proportional to 2,982.88, 4,116.09 and 1,723.69

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Solution

The fourth proportional to 2,982.88, 4,116.09 and 1,723.69 is: 2,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.88 : 4,116.09 = 1,723.69 : x
  2. Step 2: Convert to fraction form
    2,982.88/4,116.09 = 1,723.69/x
  3. Step 3: Cross multiply
    2,982.88x = 4,116.09 × 1,723.69
  4. Step 4: Simplify right side
    2,982.88x = 7,094,863.17
  5. Step 5: Solve for x
    x = 7,094,863.17/2,982.88
  6. Step 6: Final answer
    x = 2,378.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.