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Finding the Fourth Proportional to 3,250.70, 4,876.80 and 1,059.42

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Solution

The fourth proportional to 3,250.70, 4,876.80 and 1,059.42 is: 1,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.70 : 4,876.80 = 1,059.42 : x
  2. Step 2: Convert to fraction form
    3,250.70/4,876.80 = 1,059.42/x
  3. Step 3: Cross multiply
    3,250.70x = 4,876.80 × 1,059.42
  4. Step 4: Simplify right side
    3,250.70x = 5,166,579.46
  5. Step 5: Solve for x
    x = 5,166,579.46/3,250.70
  6. Step 6: Final answer
    x = 1,589.37

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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.