Home / 2,210.20-3,315.30-1,348.36

Finding the Fourth Proportional to 2,210.20, 3,315.30 and 1,348.36

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Solution

The fourth proportional to 2,210.20, 3,315.30 and 1,348.36 is: 2,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.20 : 3,315.30 = 1,348.36 : x
  2. Step 2: Convert to fraction form
    2,210.20/3,315.30 = 1,348.36/x
  3. Step 3: Cross multiply
    2,210.20x = 3,315.30 × 1,348.36
  4. Step 4: Simplify right side
    2,210.20x = 4,470,217.91
  5. Step 5: Solve for x
    x = 4,470,217.91/2,210.20
  6. Step 6: Final answer
    x = 2,022.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.