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Finding the Fourth Proportional to 3,538.83, 5,308.29 and 1,347.68

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Solution

The fourth proportional to 3,538.83, 5,308.29 and 1,347.68 is: 2,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.83 : 5,308.29 = 1,347.68 : x
  2. Step 2: Convert to fraction form
    3,538.83/5,308.29 = 1,347.68/x
  3. Step 3: Cross multiply
    3,538.83x = 5,308.29 × 1,347.68
  4. Step 4: Simplify right side
    3,538.83x = 7,153,863.00
  5. Step 5: Solve for x
    x = 7,153,863.00/3,538.83
  6. Step 6: Final answer
    x = 2,021.53

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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.