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Finding the Fourth Proportional to 3,298.70, 4,946.85 and 1,654.70

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Solution

The fourth proportional to 3,298.70, 4,946.85 and 1,654.70 is: 2,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.70 : 4,946.85 = 1,654.70 : x
  2. Step 2: Convert to fraction form
    3,298.70/4,946.85 = 1,654.70/x
  3. Step 3: Cross multiply
    3,298.70x = 4,946.85 × 1,654.70
  4. Step 4: Simplify right side
    3,298.70x = 8,185,552.70
  5. Step 5: Solve for x
    x = 8,185,552.70/3,298.70
  6. Step 6: Final answer
    x = 2,481.45

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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.