Home / 3,260.30-4,499.20-1,768.21

Finding the Fourth Proportional to 3,260.30, 4,499.20 and 1,768.21

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Solution

The fourth proportional to 3,260.30, 4,499.20 and 1,768.21 is: 2,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.30 : 4,499.20 = 1,768.21 : x
  2. Step 2: Convert to fraction form
    3,260.30/4,499.20 = 1,768.21/x
  3. Step 3: Cross multiply
    3,260.30x = 4,499.20 × 1,768.21
  4. Step 4: Simplify right side
    3,260.30x = 7,955,530.43
  5. Step 5: Solve for x
    x = 7,955,530.43/3,260.30
  6. Step 6: Final answer
    x = 2,440.12

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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.