Home / 4,052.38-6,077.89-1,419.78

Finding the Fourth Proportional to 4,052.38, 6,077.89 and 1,419.78

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Solution

The fourth proportional to 4,052.38, 6,077.89 and 1,419.78 is: 2,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.38 : 6,077.89 = 1,419.78 : x
  2. Step 2: Convert to fraction form
    4,052.38/6,077.89 = 1,419.78/x
  3. Step 3: Cross multiply
    4,052.38x = 6,077.89 × 1,419.78
  4. Step 4: Simplify right side
    4,052.38x = 8,629,249.06
  5. Step 5: Solve for x
    x = 8,629,249.06/4,052.38
  6. Step 6: Final answer
    x = 2,129.43

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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.