Home / 3,654.60-5,481.78-2,925.60

Finding the Fourth Proportional to 3,654.60, 5,481.78 and 2,925.60

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Solution

The fourth proportional to 3,654.60, 5,481.78 and 2,925.60 is: 4,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.60 : 5,481.78 = 2,925.60 : x
  2. Step 2: Convert to fraction form
    3,654.60/5,481.78 = 2,925.60/x
  3. Step 3: Cross multiply
    3,654.60x = 5,481.78 × 2,925.60
  4. Step 4: Simplify right side
    3,654.60x = 16,037,495.57
  5. Step 5: Solve for x
    x = 16,037,495.57/3,654.60
  6. Step 6: Final answer
    x = 4,388.30

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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.