Home / 2,450.30-3,674.19-718.70

Finding the Fourth Proportional to 2,450.30, 3,674.19 and 718.70

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Solution

The fourth proportional to 2,450.30, 3,674.19 and 718.70 is: 1,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.30 : 3,674.19 = 718.70 : x
  2. Step 2: Convert to fraction form
    2,450.30/3,674.19 = 718.70/x
  3. Step 3: Cross multiply
    2,450.30x = 3,674.19 × 718.70
  4. Step 4: Simplify right side
    2,450.30x = 2,640,640.35
  5. Step 5: Solve for x
    x = 2,640,640.35/2,450.30
  6. Step 6: Final answer
    x = 1,077.68

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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.