Home / 2,228.76-3,343.50-1,821.60

Finding the Fourth Proportional to 2,228.76, 3,343.50 and 1,821.60

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Solution

The fourth proportional to 2,228.76, 3,343.50 and 1,821.60 is: 2,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.76 : 3,343.50 = 1,821.60 : x
  2. Step 2: Convert to fraction form
    2,228.76/3,343.50 = 1,821.60/x
  3. Step 3: Cross multiply
    2,228.76x = 3,343.50 × 1,821.60
  4. Step 4: Simplify right side
    2,228.76x = 6,090,519.60
  5. Step 5: Solve for x
    x = 6,090,519.60/2,228.76
  6. Step 6: Final answer
    x = 2,732.69

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1.5x scale

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.