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Finding the Fourth Proportional to 3,500, 4,830.02 and 2,439.32

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Solution

The fourth proportional to 3,500, 4,830.02 and 2,439.32 is: 3,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500 : 4,830.02 = 2,439.32 : x
  2. Step 2: Convert to fraction form
    3,500/4,830.02 = 2,439.32/x
  3. Step 3: Cross multiply
    3,500x = 4,830.02 × 2,439.32
  4. Step 4: Simplify right side
    3,500x = 11,781,964.39
  5. Step 5: Solve for x
    x = 11,781,964.39/3,500
  6. Step 6: Final answer
    x = 3,366.28

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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.