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Finding the Fourth Proportional to 3,425.94, 4,730.16 and 2,627.88

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Solution

The fourth proportional to 3,425.94, 4,730.16 and 2,627.88 is: 3,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.94 : 4,730.16 = 2,627.88 : x
  2. Step 2: Convert to fraction form
    3,425.94/4,730.16 = 2,627.88/x
  3. Step 3: Cross multiply
    3,425.94x = 4,730.16 × 2,627.88
  4. Step 4: Simplify right side
    3,425.94x = 12,430,292.86
  5. Step 5: Solve for x
    x = 12,430,292.86/3,425.94
  6. Step 6: Final answer
    x = 3,628.29

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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.