Home / 3,976.70-5,960.79-1,895.40

Finding the Fourth Proportional to 3,976.70, 5,960.79 and 1,895.40

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Solution

The fourth proportional to 3,976.70, 5,960.79 and 1,895.40 is: 2,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.70 : 5,960.79 = 1,895.40 : x
  2. Step 2: Convert to fraction form
    3,976.70/5,960.79 = 1,895.40/x
  3. Step 3: Cross multiply
    3,976.70x = 5,960.79 × 1,895.40
  4. Step 4: Simplify right side
    3,976.70x = 11,298,081.37
  5. Step 5: Solve for x
    x = 11,298,081.37/3,976.70
  6. Step 6: Final answer
    x = 2,841.07

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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.