Home / 3,765.27-5,191.46-3,055.11

Finding the Fourth Proportional to 3,765.27, 5,191.46 and 3,055.11

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Solution

The fourth proportional to 3,765.27, 5,191.46 and 3,055.11 is: 4,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.27 : 5,191.46 = 3,055.11 : x
  2. Step 2: Convert to fraction form
    3,765.27/5,191.46 = 3,055.11/x
  3. Step 3: Cross multiply
    3,765.27x = 5,191.46 × 3,055.11
  4. Step 4: Simplify right side
    3,765.27x = 15,860,458.07
  5. Step 5: Solve for x
    x = 15,860,458.07/3,765.27
  6. Step 6: Final answer
    x = 4,212.30

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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.