Home / 3,538.91-5,308.09-1,073.74

Finding the Fourth Proportional to 3,538.91, 5,308.09 and 1,073.74

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Solution

The fourth proportional to 3,538.91, 5,308.09 and 1,073.74 is: 1,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.91 : 5,308.09 = 1,073.74 : x
  2. Step 2: Convert to fraction form
    3,538.91/5,308.09 = 1,073.74/x
  3. Step 3: Cross multiply
    3,538.91x = 5,308.09 × 1,073.74
  4. Step 4: Simplify right side
    3,538.91x = 5,699,505.57
  5. Step 5: Solve for x
    x = 5,699,505.57/3,538.91
  6. Step 6: Final answer
    x = 1,610.53

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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.