Home / 2,680.33-3,700.66-1,673.57

Finding the Fourth Proportional to 2,680.33, 3,700.66 and 1,673.57

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Solution

The fourth proportional to 2,680.33, 3,700.66 and 1,673.57 is: 2,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.33 : 3,700.66 = 1,673.57 : x
  2. Step 2: Convert to fraction form
    2,680.33/3,700.66 = 1,673.57/x
  3. Step 3: Cross multiply
    2,680.33x = 3,700.66 × 1,673.57
  4. Step 4: Simplify right side
    2,680.33x = 6,193,300.12
  5. Step 5: Solve for x
    x = 6,193,300.12/2,680.33
  6. Step 6: Final answer
    x = 2,310.65

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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.