Home / 3,819.56-5,269.36-2,402.26

Finding the Fourth Proportional to 3,819.56, 5,269.36 and 2,402.26

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Solution

The fourth proportional to 3,819.56, 5,269.36 and 2,402.26 is: 3,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.56 : 5,269.36 = 2,402.26 : x
  2. Step 2: Convert to fraction form
    3,819.56/5,269.36 = 2,402.26/x
  3. Step 3: Cross multiply
    3,819.56x = 5,269.36 × 2,402.26
  4. Step 4: Simplify right side
    3,819.56x = 12,658,372.75
  5. Step 5: Solve for x
    x = 12,658,372.75/3,819.56
  6. Step 6: Final answer
    x = 3,314.09

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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.