Home / 3,090.22-4,638.41-1,447.94

Finding the Fourth Proportional to 3,090.22, 4,638.41 and 1,447.94

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Solution

The fourth proportional to 3,090.22, 4,638.41 and 1,447.94 is: 2,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.22 : 4,638.41 = 1,447.94 : x
  2. Step 2: Convert to fraction form
    3,090.22/4,638.41 = 1,447.94/x
  3. Step 3: Cross multiply
    3,090.22x = 4,638.41 × 1,447.94
  4. Step 4: Simplify right side
    3,090.22x = 6,716,149.16
  5. Step 5: Solve for x
    x = 6,716,149.16/3,090.22
  6. Step 6: Final answer
    x = 2,173.36

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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.