Home / 2,908.40-4,344.05-2,519.60

Finding the Fourth Proportional to 2,908.40, 4,344.05 and 2,519.60

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Solution

The fourth proportional to 2,908.40, 4,344.05 and 2,519.60 is: 3,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.40 : 4,344.05 = 2,519.60 : x
  2. Step 2: Convert to fraction form
    2,908.40/4,344.05 = 2,519.60/x
  3. Step 3: Cross multiply
    2,908.40x = 4,344.05 × 2,519.60
  4. Step 4: Simplify right side
    2,908.40x = 10,945,234.06
  5. Step 5: Solve for x
    x = 10,945,234.06/2,908.40
  6. Step 6: Final answer
    x = 3,763.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.