Home / 1,810.22-2,494.60-1,219.73

Finding the Fourth Proportional to 1,810.22, 2,494.60 and 1,219.73

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Solution

The fourth proportional to 1,810.22, 2,494.60 and 1,219.73 is: 1,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.22 : 2,494.60 = 1,219.73 : x
  2. Step 2: Convert to fraction form
    1,810.22/2,494.60 = 1,219.73/x
  3. Step 3: Cross multiply
    1,810.22x = 2,494.60 × 1,219.73
  4. Step 4: Simplify right side
    1,810.22x = 3,042,722.94
  5. Step 5: Solve for x
    x = 3,042,722.94/1,810.22
  6. Step 6: Final answer
    x = 1,680.86

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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.