Home / 3,320.12-4,581.77-1,828.03

Finding the Fourth Proportional to 3,320.12, 4,581.77 and 1,828.03

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Solution

The fourth proportional to 3,320.12, 4,581.77 and 1,828.03 is: 2,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.12 : 4,581.77 = 1,828.03 : x
  2. Step 2: Convert to fraction form
    3,320.12/4,581.77 = 1,828.03/x
  3. Step 3: Cross multiply
    3,320.12x = 4,581.77 × 1,828.03
  4. Step 4: Simplify right side
    3,320.12x = 8,375,613.01
  5. Step 5: Solve for x
    x = 8,375,613.01/3,320.12
  6. Step 6: Final answer
    x = 2,522.68

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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.