Home / 3,186.96-4,749.15-3,082.56

Finding the Fourth Proportional to 3,186.96, 4,749.15 and 3,082.56

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Solution

The fourth proportional to 3,186.96, 4,749.15 and 3,082.56 is: 4,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.96 : 4,749.15 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    3,186.96/4,749.15 = 3,082.56/x
  3. Step 3: Cross multiply
    3,186.96x = 4,749.15 × 3,082.56
  4. Step 4: Simplify right side
    3,186.96x = 14,639,539.82
  5. Step 5: Solve for x
    x = 14,639,539.82/3,186.96
  6. Step 6: Final answer
    x = 4,593.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.