Home / 3,612.07-5,419.41-1,419.58

Finding the Fourth Proportional to 3,612.07, 5,419.41 and 1,419.58

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Solution

The fourth proportional to 3,612.07, 5,419.41 and 1,419.58 is: 2,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.07 : 5,419.41 = 1,419.58 : x
  2. Step 2: Convert to fraction form
    3,612.07/5,419.41 = 1,419.58/x
  3. Step 3: Cross multiply
    3,612.07x = 5,419.41 × 1,419.58
  4. Step 4: Simplify right side
    3,612.07x = 7,693,286.05
  5. Step 5: Solve for x
    x = 7,693,286.05/3,612.07
  6. Step 6: Final answer
    x = 2,129.88

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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.