Home / 3,409.22-5,103.30-2,911.07

Finding the Fourth Proportional to 3,409.22, 5,103.30 and 2,911.07

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Solution

The fourth proportional to 3,409.22, 5,103.30 and 2,911.07 is: 4,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.22 : 5,103.30 = 2,911.07 : x
  2. Step 2: Convert to fraction form
    3,409.22/5,103.30 = 2,911.07/x
  3. Step 3: Cross multiply
    3,409.22x = 5,103.30 × 2,911.07
  4. Step 4: Simplify right side
    3,409.22x = 14,856,038.01
  5. Step 5: Solve for x
    x = 14,856,038.01/3,409.22
  6. Step 6: Final answer
    x = 4,357.61

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1.5x scale

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.