Home / 2,882.32-3,977.98-1,623.62

Finding the Fourth Proportional to 2,882.32, 3,977.98 and 1,623.62

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Solution

The fourth proportional to 2,882.32, 3,977.98 and 1,623.62 is: 2,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.32 : 3,977.98 = 1,623.62 : x
  2. Step 2: Convert to fraction form
    2,882.32/3,977.98 = 1,623.62/x
  3. Step 3: Cross multiply
    2,882.32x = 3,977.98 × 1,623.62
  4. Step 4: Simplify right side
    2,882.32x = 6,458,727.89
  5. Step 5: Solve for x
    x = 6,458,727.89/2,882.32
  6. Step 6: Final answer
    x = 2,240.81

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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.