Home / 3,723.80-5,585.38-1,091.10

Finding the Fourth Proportional to 3,723.80, 5,585.38 and 1,091.10

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Solution

The fourth proportional to 3,723.80, 5,585.38 and 1,091.10 is: 1,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.80 : 5,585.38 = 1,091.10 : x
  2. Step 2: Convert to fraction form
    3,723.80/5,585.38 = 1,091.10/x
  3. Step 3: Cross multiply
    3,723.80x = 5,585.38 × 1,091.10
  4. Step 4: Simplify right side
    3,723.80x = 6,094,208.12
  5. Step 5: Solve for x
    x = 6,094,208.12/3,723.80
  6. Step 6: Final answer
    x = 1,636.56

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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.