Home / 3,320.71-4,582.58-1,828.72

Finding the Fourth Proportional to 3,320.71, 4,582.58 and 1,828.72

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Solution

The fourth proportional to 3,320.71, 4,582.58 and 1,828.72 is: 2,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.71 : 4,582.58 = 1,828.72 : x
  2. Step 2: Convert to fraction form
    3,320.71/4,582.58 = 1,828.72/x
  3. Step 3: Cross multiply
    3,320.71x = 4,582.58 × 1,828.72
  4. Step 4: Simplify right side
    3,320.71x = 8,380,223.64
  5. Step 5: Solve for x
    x = 8,380,223.64/3,320.71
  6. Step 6: Final answer
    x = 2,523.63

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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.