Home / 3,556.29-5,333.96-1,090.90

Finding the Fourth Proportional to 3,556.29, 5,333.96 and 1,090.90

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Solution

The fourth proportional to 3,556.29, 5,333.96 and 1,090.90 is: 1,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.29 : 5,333.96 = 1,090.90 : x
  2. Step 2: Convert to fraction form
    3,556.29/5,333.96 = 1,090.90/x
  3. Step 3: Cross multiply
    3,556.29x = 5,333.96 × 1,090.90
  4. Step 4: Simplify right side
    3,556.29x = 5,818,816.64
  5. Step 5: Solve for x
    x = 5,818,816.64/3,556.29
  6. Step 6: Final answer
    x = 1,636.21

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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.