Home / 3,638.96-5,459.44-1,449.22

Finding the Fourth Proportional to 3,638.96, 5,459.44 and 1,449.22

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Solution

The fourth proportional to 3,638.96, 5,459.44 and 1,449.22 is: 2,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.96 : 5,459.44 = 1,449.22 : x
  2. Step 2: Convert to fraction form
    3,638.96/5,459.44 = 1,449.22/x
  3. Step 3: Cross multiply
    3,638.96x = 5,459.44 × 1,449.22
  4. Step 4: Simplify right side
    3,638.96x = 7,911,929.64
  5. Step 5: Solve for x
    x = 7,911,929.64/3,638.96
  6. Step 6: Final answer
    x = 2,174.23

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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.