Home / 3,602.25-5,403.42-1,293.75

Finding the Fourth Proportional to 3,602.25, 5,403.42 and 1,293.75

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Solution

The fourth proportional to 3,602.25, 5,403.42 and 1,293.75 is: 1,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.25 : 5,403.42 = 1,293.75 : x
  2. Step 2: Convert to fraction form
    3,602.25/5,403.42 = 1,293.75/x
  3. Step 3: Cross multiply
    3,602.25x = 5,403.42 × 1,293.75
  4. Step 4: Simplify right side
    3,602.25x = 6,990,674.63
  5. Step 5: Solve for x
    x = 6,990,674.63/3,602.25
  6. Step 6: Final answer
    x = 1,940.64

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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.