Home / 3,150.56-4,715.43-1,742.81

Finding the Fourth Proportional to 3,150.56, 4,715.43 and 1,742.81

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Solution

The fourth proportional to 3,150.56, 4,715.43 and 1,742.81 is: 2,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.56 : 4,715.43 = 1,742.81 : x
  2. Step 2: Convert to fraction form
    3,150.56/4,715.43 = 1,742.81/x
  3. Step 3: Cross multiply
    3,150.56x = 4,715.43 × 1,742.81
  4. Step 4: Simplify right side
    3,150.56x = 8,218,074.98
  5. Step 5: Solve for x
    x = 8,218,074.98/3,150.56
  6. Step 6: Final answer
    x = 2,608.45

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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.