Home / 3,905.38-5,858.34-1,308.34

Finding the Fourth Proportional to 3,905.38, 5,858.34 and 1,308.34

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Solution

The fourth proportional to 3,905.38, 5,858.34 and 1,308.34 is: 1,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.38 : 5,858.34 = 1,308.34 : x
  2. Step 2: Convert to fraction form
    3,905.38/5,858.34 = 1,308.34/x
  3. Step 3: Cross multiply
    3,905.38x = 5,858.34 × 1,308.34
  4. Step 4: Simplify right side
    3,905.38x = 7,664,700.56
  5. Step 5: Solve for x
    x = 7,664,700.56/3,905.38
  6. Step 6: Final answer
    x = 1,962.60

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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.