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Finding the Fourth Proportional to 3,008.58, 4,512.88 and 1,975.12

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Solution

The fourth proportional to 3,008.58, 4,512.88 and 1,975.12 is: 2,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.58 : 4,512.88 = 1,975.12 : x
  2. Step 2: Convert to fraction form
    3,008.58/4,512.88 = 1,975.12/x
  3. Step 3: Cross multiply
    3,008.58x = 4,512.88 × 1,975.12
  4. Step 4: Simplify right side
    3,008.58x = 8,913,470.73
  5. Step 5: Solve for x
    x = 8,913,470.73/3,008.58
  6. Step 6: Final answer
    x = 2,962.69

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Similar ratio
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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.