Home / 3,039.64-4,212.03-2,854.68

Finding the Fourth Proportional to 3,039.64, 4,212.03 and 2,854.68

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Solution

The fourth proportional to 3,039.64, 4,212.03 and 2,854.68 is: 3,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.64 : 4,212.03 = 2,854.68 : x
  2. Step 2: Convert to fraction form
    3,039.64/4,212.03 = 2,854.68/x
  3. Step 3: Cross multiply
    3,039.64x = 4,212.03 × 2,854.68
  4. Step 4: Simplify right side
    3,039.64x = 12,023,997.80
  5. Step 5: Solve for x
    x = 12,023,997.80/3,039.64
  6. Step 6: Final answer
    x = 3,955.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.