Home / 2,882.17-3,977.97-1,887.09

Finding the Fourth Proportional to 2,882.17, 3,977.97 and 1,887.09

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Solution

The fourth proportional to 2,882.17, 3,977.97 and 1,887.09 is: 2,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.17 : 3,977.97 = 1,887.09 : x
  2. Step 2: Convert to fraction form
    2,882.17/3,977.97 = 1,887.09/x
  3. Step 3: Cross multiply
    2,882.17x = 3,977.97 × 1,887.09
  4. Step 4: Simplify right side
    2,882.17x = 7,506,787.41
  5. Step 5: Solve for x
    x = 7,506,787.41/2,882.17
  6. Step 6: Final answer
    x = 2,604.56

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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.