Home / 4,251.64-6,380.70-1,654.78

Finding the Fourth Proportional to 4,251.64, 6,380.70 and 1,654.78

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Solution

The fourth proportional to 4,251.64, 6,380.70 and 1,654.78 is: 2,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.64 : 6,380.70 = 1,654.78 : x
  2. Step 2: Convert to fraction form
    4,251.64/6,380.70 = 1,654.78/x
  3. Step 3: Cross multiply
    4,251.64x = 6,380.70 × 1,654.78
  4. Step 4: Simplify right side
    4,251.64x = 10,558,654.75
  5. Step 5: Solve for x
    x = 10,558,654.75/4,251.64
  6. Step 6: Final answer
    x = 2,483.43

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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.