Home / 2,874.31-4,308.30-1,883.98

Finding the Fourth Proportional to 2,874.31, 4,308.30 and 1,883.98

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Solution

The fourth proportional to 2,874.31, 4,308.30 and 1,883.98 is: 2,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.31 : 4,308.30 = 1,883.98 : x
  2. Step 2: Convert to fraction form
    2,874.31/4,308.30 = 1,883.98/x
  3. Step 3: Cross multiply
    2,874.31x = 4,308.30 × 1,883.98
  4. Step 4: Simplify right side
    2,874.31x = 8,116,751.03
  5. Step 5: Solve for x
    x = 8,116,751.03/2,874.31
  6. Step 6: Final answer
    x = 2,823.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.