Home / 2,882.21-3,977.33-1,623.47

Finding the Fourth Proportional to 2,882.21, 3,977.33 and 1,623.47

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Solution

The fourth proportional to 2,882.21, 3,977.33 and 1,623.47 is: 2,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.21 : 3,977.33 = 1,623.47 : x
  2. Step 2: Convert to fraction form
    2,882.21/3,977.33 = 1,623.47/x
  3. Step 3: Cross multiply
    2,882.21x = 3,977.33 × 1,623.47
  4. Step 4: Simplify right side
    2,882.21x = 6,457,047.93
  5. Step 5: Solve for x
    x = 6,457,047.93/2,882.21
  6. Step 6: Final answer
    x = 2,240.32

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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.