Home / 2,730.09-3,766.46-1,680.33

Finding the Fourth Proportional to 2,730.09, 3,766.46 and 1,680.33

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Solution

The fourth proportional to 2,730.09, 3,766.46 and 1,680.33 is: 2,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.09 : 3,766.46 = 1,680.33 : x
  2. Step 2: Convert to fraction form
    2,730.09/3,766.46 = 1,680.33/x
  3. Step 3: Cross multiply
    2,730.09x = 3,766.46 × 1,680.33
  4. Step 4: Simplify right side
    2,730.09x = 6,328,887.33
  5. Step 5: Solve for x
    x = 6,328,887.33/2,730.09
  6. Step 6: Final answer
    x = 2,318.20

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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.