Home / 2,835.90-4,255.86-2,103.24

Finding the Fourth Proportional to 2,835.90, 4,255.86 and 2,103.24

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Solution

The fourth proportional to 2,835.90, 4,255.86 and 2,103.24 is: 3,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.90 : 4,255.86 = 2,103.24 : x
  2. Step 2: Convert to fraction form
    2,835.90/4,255.86 = 2,103.24/x
  3. Step 3: Cross multiply
    2,835.90x = 4,255.86 × 2,103.24
  4. Step 4: Simplify right side
    2,835.90x = 8,951,094.99
  5. Step 5: Solve for x
    x = 8,951,094.99/2,835.90
  6. Step 6: Final answer
    x = 3,156.35

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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.