Home / 2,884.23-3,980.34-1,765.67

Finding the Fourth Proportional to 2,884.23, 3,980.34 and 1,765.67

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Solution

The fourth proportional to 2,884.23, 3,980.34 and 1,765.67 is: 2,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.23 : 3,980.34 = 1,765.67 : x
  2. Step 2: Convert to fraction form
    2,884.23/3,980.34 = 1,765.67/x
  3. Step 3: Cross multiply
    2,884.23x = 3,980.34 × 1,765.67
  4. Step 4: Simplify right side
    2,884.23x = 7,027,947.03
  5. Step 5: Solve for x
    x = 7,027,947.03/2,884.23
  6. Step 6: Final answer
    x = 2,436.68

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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.