Home / 3,922.48-5,412.58-2,328.56

Finding the Fourth Proportional to 3,922.48, 5,412.58 and 2,328.56

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Solution

The fourth proportional to 3,922.48, 5,412.58 and 2,328.56 is: 3,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.48 : 5,412.58 = 2,328.56 : x
  2. Step 2: Convert to fraction form
    3,922.48/5,412.58 = 2,328.56/x
  3. Step 3: Cross multiply
    3,922.48x = 5,412.58 × 2,328.56
  4. Step 4: Simplify right side
    3,922.48x = 12,603,517.28
  5. Step 5: Solve for x
    x = 12,603,517.28/3,922.48
  6. Step 6: Final answer
    x = 3,213.15

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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.