Home / 3,917.28-5,404.98-2,323.14

Finding the Fourth Proportional to 3,917.28, 5,404.98 and 2,323.14

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Solution

The fourth proportional to 3,917.28, 5,404.98 and 2,323.14 is: 3,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.28 : 5,404.98 = 2,323.14 : x
  2. Step 2: Convert to fraction form
    3,917.28/5,404.98 = 2,323.14/x
  3. Step 3: Cross multiply
    3,917.28x = 5,404.98 × 2,323.14
  4. Step 4: Simplify right side
    3,917.28x = 12,556,525.24
  5. Step 5: Solve for x
    x = 12,556,525.24/3,917.28
  6. Step 6: Final answer
    x = 3,205.42

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1.5x scale

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.