Home / 3,467.88-4,784.55-1,975.56

Finding the Fourth Proportional to 3,467.88, 4,784.55 and 1,975.56

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Solution

The fourth proportional to 3,467.88, 4,784.55 and 1,975.56 is: 2,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.88 : 4,784.55 = 1,975.56 : x
  2. Step 2: Convert to fraction form
    3,467.88/4,784.55 = 1,975.56/x
  3. Step 3: Cross multiply
    3,467.88x = 4,784.55 × 1,975.56
  4. Step 4: Simplify right side
    3,467.88x = 9,452,165.60
  5. Step 5: Solve for x
    x = 9,452,165.60/3,467.88
  6. Step 6: Final answer
    x = 2,725.63

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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.