Home / 3,619.52-5,419.48-2,835.40

Finding the Fourth Proportional to 3,619.52, 5,419.48 and 2,835.40

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Solution

The fourth proportional to 3,619.52, 5,419.48 and 2,835.40 is: 4,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.52 : 5,419.48 = 2,835.40 : x
  2. Step 2: Convert to fraction form
    3,619.52/5,419.48 = 2,835.40/x
  3. Step 3: Cross multiply
    3,619.52x = 5,419.48 × 2,835.40
  4. Step 4: Simplify right side
    3,619.52x = 15,366,393.59
  5. Step 5: Solve for x
    x = 15,366,393.59/3,619.52
  6. Step 6: Final answer
    x = 4,245.42

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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.