Home / 3,945.96-5,914.95-2,560.17

Finding the Fourth Proportional to 3,945.96, 5,914.95 and 2,560.17

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Solution

The fourth proportional to 3,945.96, 5,914.95 and 2,560.17 is: 3,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.96 : 5,914.95 = 2,560.17 : x
  2. Step 2: Convert to fraction form
    3,945.96/5,914.95 = 2,560.17/x
  3. Step 3: Cross multiply
    3,945.96x = 5,914.95 × 2,560.17
  4. Step 4: Simplify right side
    3,945.96x = 15,143,277.54
  5. Step 5: Solve for x
    x = 15,143,277.54/3,945.96
  6. Step 6: Final answer
    x = 3,837.67

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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.