Home / 2,138.06-3,204.46-1,518.41

Finding the Fourth Proportional to 2,138.06, 3,204.46 and 1,518.41

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Solution

The fourth proportional to 2,138.06, 3,204.46 and 1,518.41 is: 2,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.06 : 3,204.46 = 1,518.41 : x
  2. Step 2: Convert to fraction form
    2,138.06/3,204.46 = 1,518.41/x
  3. Step 3: Cross multiply
    2,138.06x = 3,204.46 × 1,518.41
  4. Step 4: Simplify right side
    2,138.06x = 4,865,694.02
  5. Step 5: Solve for x
    x = 4,865,694.02/2,138.06
  6. Step 6: Final answer
    x = 2,275.75

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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.