Home / 2,409.10-3,609.54-1,090.66

Finding the Fourth Proportional to 2,409.10, 3,609.54 and 1,090.66

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Solution

The fourth proportional to 2,409.10, 3,609.54 and 1,090.66 is: 1,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.10 : 3,609.54 = 1,090.66 : x
  2. Step 2: Convert to fraction form
    2,409.10/3,609.54 = 1,090.66/x
  3. Step 3: Cross multiply
    2,409.10x = 3,609.54 × 1,090.66
  4. Step 4: Simplify right side
    2,409.10x = 3,936,780.90
  5. Step 5: Solve for x
    x = 3,936,780.90/2,409.10
  6. Step 6: Final answer
    x = 1,634.13

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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.