Home / 3,533.64-4,876.68-2,647.88

Finding the Fourth Proportional to 3,533.64, 4,876.68 and 2,647.88

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Solution

The fourth proportional to 3,533.64, 4,876.68 and 2,647.88 is: 3,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.64 : 4,876.68 = 2,647.88 : x
  2. Step 2: Convert to fraction form
    3,533.64/4,876.68 = 2,647.88/x
  3. Step 3: Cross multiply
    3,533.64x = 4,876.68 × 2,647.88
  4. Step 4: Simplify right side
    3,533.64x = 12,912,863.44
  5. Step 5: Solve for x
    x = 12,912,863.44/3,533.64
  6. Step 6: Final answer
    x = 3,654.27

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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.