Home / 2,882.10-3,977.15-1,702.74

Finding the Fourth Proportional to 2,882.10, 3,977.15 and 1,702.74

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Solution

The fourth proportional to 2,882.10, 3,977.15 and 1,702.74 is: 2,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.10 : 3,977.15 = 1,702.74 : x
  2. Step 2: Convert to fraction form
    2,882.10/3,977.15 = 1,702.74/x
  3. Step 3: Cross multiply
    2,882.10x = 3,977.15 × 1,702.74
  4. Step 4: Simplify right side
    2,882.10x = 6,772,043.88
  5. Step 5: Solve for x
    x = 6,772,043.88/2,882.10
  6. Step 6: Final answer
    x = 2,349.69

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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.