Home / 3,687.09-5,530.83-1,090.23

Finding the Fourth Proportional to 3,687.09, 5,530.83 and 1,090.23

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Solution

The fourth proportional to 3,687.09, 5,530.83 and 1,090.23 is: 1,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.09 : 5,530.83 = 1,090.23 : x
  2. Step 2: Convert to fraction form
    3,687.09/5,530.83 = 1,090.23/x
  3. Step 3: Cross multiply
    3,687.09x = 5,530.83 × 1,090.23
  4. Step 4: Simplify right side
    3,687.09x = 6,029,876.79
  5. Step 5: Solve for x
    x = 6,029,876.79/3,687.09
  6. Step 6: Final answer
    x = 1,635.40

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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.