Home / 3,656.21-5,485.04-1,347.73

Finding the Fourth Proportional to 3,656.21, 5,485.04 and 1,347.73

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Solution

The fourth proportional to 3,656.21, 5,485.04 and 1,347.73 is: 2,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.21 : 5,485.04 = 1,347.73 : x
  2. Step 2: Convert to fraction form
    3,656.21/5,485.04 = 1,347.73/x
  3. Step 3: Cross multiply
    3,656.21x = 5,485.04 × 1,347.73
  4. Step 4: Simplify right side
    3,656.21x = 7,392,352.96
  5. Step 5: Solve for x
    x = 7,392,352.96/3,656.21
  6. Step 6: Final answer
    x = 2,021.86

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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.