Home / 3,830.56-5,286.60-2,508.10

Finding the Fourth Proportional to 3,830.56, 5,286.60 and 2,508.10

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Solution

The fourth proportional to 3,830.56, 5,286.60 and 2,508.10 is: 3,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.56 : 5,286.60 = 2,508.10 : x
  2. Step 2: Convert to fraction form
    3,830.56/5,286.60 = 2,508.10/x
  3. Step 3: Cross multiply
    3,830.56x = 5,286.60 × 2,508.10
  4. Step 4: Simplify right side
    3,830.56x = 13,259,321.46
  5. Step 5: Solve for x
    x = 13,259,321.46/3,830.56
  6. Step 6: Final answer
    x = 3,461.46

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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.