Home / 2,623.97-3,619.81-1,630.40

Finding the Fourth Proportional to 2,623.97, 3,619.81 and 1,630.40

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Solution

The fourth proportional to 2,623.97, 3,619.81 and 1,630.40 is: 2,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.97 : 3,619.81 = 1,630.40 : x
  2. Step 2: Convert to fraction form
    2,623.97/3,619.81 = 1,630.40/x
  3. Step 3: Cross multiply
    2,623.97x = 3,619.81 × 1,630.40
  4. Step 4: Simplify right side
    2,623.97x = 5,901,738.22
  5. Step 5: Solve for x
    x = 5,901,738.22/2,623.97
  6. Step 6: Final answer
    x = 2,249.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.