Home / 2,853.43-4,278.66-1,683.79

Finding the Fourth Proportional to 2,853.43, 4,278.66 and 1,683.79

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Solution

The fourth proportional to 2,853.43, 4,278.66 and 1,683.79 is: 2,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.43 : 4,278.66 = 1,683.79 : x
  2. Step 2: Convert to fraction form
    2,853.43/4,278.66 = 1,683.79/x
  3. Step 3: Cross multiply
    2,853.43x = 4,278.66 × 1,683.79
  4. Step 4: Simplify right side
    2,853.43x = 7,204,364.92
  5. Step 5: Solve for x
    x = 7,204,364.92/2,853.43
  6. Step 6: Final answer
    x = 2,524.81

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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.