Home / 3,004.39-4,144.37-2,118.66

Finding the Fourth Proportional to 3,004.39, 4,144.37 and 2,118.66

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Solution

The fourth proportional to 3,004.39, 4,144.37 and 2,118.66 is: 2,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.39 : 4,144.37 = 2,118.66 : x
  2. Step 2: Convert to fraction form
    3,004.39/4,144.37 = 2,118.66/x
  3. Step 3: Cross multiply
    3,004.39x = 4,144.37 × 2,118.66
  4. Step 4: Simplify right side
    3,004.39x = 8,780,484.81
  5. Step 5: Solve for x
    x = 8,780,484.81/3,004.39
  6. Step 6: Final answer
    x = 2,922.55

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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.