Home / 3,320.28-4,582.10-1,828.30

Finding the Fourth Proportional to 3,320.28, 4,582.10 and 1,828.30

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Solution

The fourth proportional to 3,320.28, 4,582.10 and 1,828.30 is: 2,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.28 : 4,582.10 = 1,828.30 : x
  2. Step 2: Convert to fraction form
    3,320.28/4,582.10 = 1,828.30/x
  3. Step 3: Cross multiply
    3,320.28x = 4,582.10 × 1,828.30
  4. Step 4: Simplify right side
    3,320.28x = 8,377,453.43
  5. Step 5: Solve for x
    x = 8,377,453.43/3,320.28
  6. Step 6: Final answer
    x = 2,523.12

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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.