Home / 4,148.96-5,725.65-2,380.42

Finding the Fourth Proportional to 4,148.96, 5,725.65 and 2,380.42

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Solution

The fourth proportional to 4,148.96, 5,725.65 and 2,380.42 is: 3,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.96 : 5,725.65 = 2,380.42 : x
  2. Step 2: Convert to fraction form
    4,148.96/5,725.65 = 2,380.42/x
  3. Step 3: Cross multiply
    4,148.96x = 5,725.65 × 2,380.42
  4. Step 4: Simplify right side
    4,148.96x = 13,629,467.86
  5. Step 5: Solve for x
    x = 13,629,467.86/4,148.96
  6. Step 6: Final answer
    x = 3,285.04

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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.