Home / 2,983.40-4,469.70-1,827.80

Finding the Fourth Proportional to 2,983.40, 4,469.70 and 1,827.80

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Solution

The fourth proportional to 2,983.40, 4,469.70 and 1,827.80 is: 2,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.40 : 4,469.70 = 1,827.80 : x
  2. Step 2: Convert to fraction form
    2,983.40/4,469.70 = 1,827.80/x
  3. Step 3: Cross multiply
    2,983.40x = 4,469.70 × 1,827.80
  4. Step 4: Simplify right side
    2,983.40x = 8,169,717.66
  5. Step 5: Solve for x
    x = 8,169,717.66/2,983.40
  6. Step 6: Final answer
    x = 2,738.39

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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.