Home / 2,883.18-4,315.92-2,103

Finding the Fourth Proportional to 2,883.18, 4,315.92 and 2,103

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Solution

The fourth proportional to 2,883.18, 4,315.92 and 2,103 is: 3,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.18 : 4,315.92 = 2,103 : x
  2. Step 2: Convert to fraction form
    2,883.18/4,315.92 = 2,103/x
  3. Step 3: Cross multiply
    2,883.18x = 4,315.92 × 2,103
  4. Step 4: Simplify right side
    2,883.18x = 9,076,379.76
  5. Step 5: Solve for x
    x = 9,076,379.76/2,883.18
  6. Step 6: Final answer
    x = 3,148.04

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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.