Home / 3,636.28-5,460.63-3,220.75

Finding the Fourth Proportional to 3,636.28, 5,460.63 and 3,220.75

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Solution

The fourth proportional to 3,636.28, 5,460.63 and 3,220.75 is: 4,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.28 : 5,460.63 = 3,220.75 : x
  2. Step 2: Convert to fraction form
    3,636.28/5,460.63 = 3,220.75/x
  3. Step 3: Cross multiply
    3,636.28x = 5,460.63 × 3,220.75
  4. Step 4: Simplify right side
    3,636.28x = 17,587,324.07
  5. Step 5: Solve for x
    x = 17,587,324.07/3,636.28
  6. Step 6: Final answer
    x = 4,836.63

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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.