Home / 3,542.15-5,308.61-1,459.78

Finding the Fourth Proportional to 3,542.15, 5,308.61 and 1,459.78

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Solution

The fourth proportional to 3,542.15, 5,308.61 and 1,459.78 is: 2,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.15 : 5,308.61 = 1,459.78 : x
  2. Step 2: Convert to fraction form
    3,542.15/5,308.61 = 1,459.78/x
  3. Step 3: Cross multiply
    3,542.15x = 5,308.61 × 1,459.78
  4. Step 4: Simplify right side
    3,542.15x = 7,749,382.14
  5. Step 5: Solve for x
    x = 7,749,382.14/3,542.15
  6. Step 6: Final answer
    x = 2,187.76

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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.