Home / 2,450.99-3,680.57-1,339.76

Finding the Fourth Proportional to 2,450.99, 3,680.57 and 1,339.76

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Solution

The fourth proportional to 2,450.99, 3,680.57 and 1,339.76 is: 2,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.99 : 3,680.57 = 1,339.76 : x
  2. Step 2: Convert to fraction form
    2,450.99/3,680.57 = 1,339.76/x
  3. Step 3: Cross multiply
    2,450.99x = 3,680.57 × 1,339.76
  4. Step 4: Simplify right side
    2,450.99x = 4,931,093.01
  5. Step 5: Solve for x
    x = 4,931,093.01/2,450.99
  6. Step 6: Final answer
    x = 2,011.88

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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.