Home / 3,636.55-5,020.82-2,795.70

Finding the Fourth Proportional to 3,636.55, 5,020.82 and 2,795.70

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Solution

The fourth proportional to 3,636.55, 5,020.82 and 2,795.70 is: 3,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.55 : 5,020.82 = 2,795.70 : x
  2. Step 2: Convert to fraction form
    3,636.55/5,020.82 = 2,795.70/x
  3. Step 3: Cross multiply
    3,636.55x = 5,020.82 × 2,795.70
  4. Step 4: Simplify right side
    3,636.55x = 14,036,706.47
  5. Step 5: Solve for x
    x = 14,036,706.47/3,636.55
  6. Step 6: Final answer
    x = 3,859.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.