Home / 2,725.80-4,086.30-1,630.60

Finding the Fourth Proportional to 2,725.80, 4,086.30 and 1,630.60

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Solution

The fourth proportional to 2,725.80, 4,086.30 and 1,630.60 is: 2,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.80 : 4,086.30 = 1,630.60 : x
  2. Step 2: Convert to fraction form
    2,725.80/4,086.30 = 1,630.60/x
  3. Step 3: Cross multiply
    2,725.80x = 4,086.30 × 1,630.60
  4. Step 4: Simplify right side
    2,725.80x = 6,663,120.78
  5. Step 5: Solve for x
    x = 6,663,120.78/2,725.80
  6. Step 6: Final answer
    x = 2,444.46

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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.