Home / 3,320.15-4,581.75-1,828.05

Finding the Fourth Proportional to 3,320.15, 4,581.75 and 1,828.05

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Solution

The fourth proportional to 3,320.15, 4,581.75 and 1,828.05 is: 2,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.15 : 4,581.75 = 1,828.05 : x
  2. Step 2: Convert to fraction form
    3,320.15/4,581.75 = 1,828.05/x
  3. Step 3: Cross multiply
    3,320.15x = 4,581.75 × 1,828.05
  4. Step 4: Simplify right side
    3,320.15x = 8,375,668.09
  5. Step 5: Solve for x
    x = 8,375,668.09/3,320.15
  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.