Home / 3,320.73-4,582.46-1,828.55

Finding the Fourth Proportional to 3,320.73, 4,582.46 and 1,828.55

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Solution

The fourth proportional to 3,320.73, 4,582.46 and 1,828.55 is: 2,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.73 : 4,582.46 = 1,828.55 : x
  2. Step 2: Convert to fraction form
    3,320.73/4,582.46 = 1,828.55/x
  3. Step 3: Cross multiply
    3,320.73x = 4,582.46 × 1,828.55
  4. Step 4: Simplify right side
    3,320.73x = 8,379,273.26
  5. Step 5: Solve for x
    x = 8,379,273.26/3,320.73
  6. Step 6: Final answer
    x = 2,523.32

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1.5x scale

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.