Home / 3,189.68-4,401.96-1,792.64

Finding the Fourth Proportional to 3,189.68, 4,401.96 and 1,792.64

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Solution

The fourth proportional to 3,189.68, 4,401.96 and 1,792.64 is: 2,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.68 : 4,401.96 = 1,792.64 : x
  2. Step 2: Convert to fraction form
    3,189.68/4,401.96 = 1,792.64/x
  3. Step 3: Cross multiply
    3,189.68x = 4,401.96 × 1,792.64
  4. Step 4: Simplify right side
    3,189.68x = 7,891,129.57
  5. Step 5: Solve for x
    x = 7,891,129.57/3,189.68
  6. Step 6: Final answer
    x = 2,473.96

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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.