Home / 3,090.80-4,635.96-1,446.92

Finding the Fourth Proportional to 3,090.80, 4,635.96 and 1,446.92

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Solution

The fourth proportional to 3,090.80, 4,635.96 and 1,446.92 is: 2,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.80 : 4,635.96 = 1,446.92 : x
  2. Step 2: Convert to fraction form
    3,090.80/4,635.96 = 1,446.92/x
  3. Step 3: Cross multiply
    3,090.80x = 4,635.96 × 1,446.92
  4. Step 4: Simplify right side
    3,090.80x = 6,707,863.24
  5. Step 5: Solve for x
    x = 6,707,863.24/3,090.80
  6. Step 6: Final answer
    x = 2,170.27

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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.