Home / 4,090.64-5,645.12-2,227.64

Finding the Fourth Proportional to 4,090.64, 5,645.12 and 2,227.64

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Solution

The fourth proportional to 4,090.64, 5,645.12 and 2,227.64 is: 3,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.64 : 5,645.12 = 2,227.64 : x
  2. Step 2: Convert to fraction form
    4,090.64/5,645.12 = 2,227.64/x
  3. Step 3: Cross multiply
    4,090.64x = 5,645.12 × 2,227.64
  4. Step 4: Simplify right side
    4,090.64x = 12,575,295.12
  5. Step 5: Solve for x
    x = 12,575,295.12/4,090.64
  6. Step 6: Final answer
    x = 3,074.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.