Home / 3,685.35-5,530.69-2,763.39

Finding the Fourth Proportional to 3,685.35, 5,530.69 and 2,763.39

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Solution

The fourth proportional to 3,685.35, 5,530.69 and 2,763.39 is: 4,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.35 : 5,530.69 = 2,763.39 : x
  2. Step 2: Convert to fraction form
    3,685.35/5,530.69 = 2,763.39/x
  3. Step 3: Cross multiply
    3,685.35x = 5,530.69 × 2,763.39
  4. Step 4: Simplify right side
    3,685.35x = 15,283,436.15
  5. Step 5: Solve for x
    x = 15,283,436.15/3,685.35
  6. Step 6: Final answer
    x = 4,147.08

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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.