Home / 3,538.74-5,308.14-3,150.54

Finding the Fourth Proportional to 3,538.74, 5,308.14 and 3,150.54

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Solution

The fourth proportional to 3,538.74, 5,308.14 and 3,150.54 is: 4,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.74 : 5,308.14 = 3,150.54 : x
  2. Step 2: Convert to fraction form
    3,538.74/5,308.14 = 3,150.54/x
  3. Step 3: Cross multiply
    3,538.74x = 5,308.14 × 3,150.54
  4. Step 4: Simplify right side
    3,538.74x = 16,723,507.40
  5. Step 5: Solve for x
    x = 16,723,507.40/3,538.74
  6. Step 6: Final answer
    x = 4,725.84

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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.