Home / 3,090.36-4,636.68-1,447.44

Finding the Fourth Proportional to 3,090.36, 4,636.68 and 1,447.44

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Solution

The fourth proportional to 3,090.36, 4,636.68 and 1,447.44 is: 2,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.36 : 4,636.68 = 1,447.44 : x
  2. Step 2: Convert to fraction form
    3,090.36/4,636.68 = 1,447.44/x
  3. Step 3: Cross multiply
    3,090.36x = 4,636.68 × 1,447.44
  4. Step 4: Simplify right side
    3,090.36x = 6,711,316.10
  5. Step 5: Solve for x
    x = 6,711,316.10/3,090.36
  6. Step 6: Final answer
    x = 2,171.69

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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.