Home / 3,078.03-4,625.70-1,828.80

Finding the Fourth Proportional to 3,078.03, 4,625.70 and 1,828.80

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Solution

The fourth proportional to 3,078.03, 4,625.70 and 1,828.80 is: 2,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.03 : 4,625.70 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    3,078.03/4,625.70 = 1,828.80/x
  3. Step 3: Cross multiply
    3,078.03x = 4,625.70 × 1,828.80
  4. Step 4: Simplify right side
    3,078.03x = 8,459,480.16
  5. Step 5: Solve for x
    x = 8,459,480.16/3,078.03
  6. Step 6: Final answer
    x = 2,748.34

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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.