Home / 2,976.09-4,460.97-1,415.32

Finding the Fourth Proportional to 2,976.09, 4,460.97 and 1,415.32

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Solution

The fourth proportional to 2,976.09, 4,460.97 and 1,415.32 is: 2,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.09 : 4,460.97 = 1,415.32 : x
  2. Step 2: Convert to fraction form
    2,976.09/4,460.97 = 1,415.32/x
  3. Step 3: Cross multiply
    2,976.09x = 4,460.97 × 1,415.32
  4. Step 4: Simplify right side
    2,976.09x = 6,313,719.31
  5. Step 5: Solve for x
    x = 6,313,719.31/2,976.09
  6. Step 6: Final answer
    x = 2,121.48

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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.