Home / 2,313.82-3,171.65-2,282.67

Finding the Fourth Proportional to 2,313.82, 3,171.65 and 2,282.67

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Solution

The fourth proportional to 2,313.82, 3,171.65 and 2,282.67 is: 3,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.82 : 3,171.65 = 2,282.67 : x
  2. Step 2: Convert to fraction form
    2,313.82/3,171.65 = 2,282.67/x
  3. Step 3: Cross multiply
    2,313.82x = 3,171.65 × 2,282.67
  4. Step 4: Simplify right side
    2,313.82x = 7,239,830.48
  5. Step 5: Solve for x
    x = 7,239,830.48/2,313.82
  6. Step 6: Final answer
    x = 3,128.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.