Home / 3,163.61-4,746.08-1,189.25

Finding the Fourth Proportional to 3,163.61, 4,746.08 and 1,189.25

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Solution

The fourth proportional to 3,163.61, 4,746.08 and 1,189.25 is: 1,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.61 : 4,746.08 = 1,189.25 : x
  2. Step 2: Convert to fraction form
    3,163.61/4,746.08 = 1,189.25/x
  3. Step 3: Cross multiply
    3,163.61x = 4,746.08 × 1,189.25
  4. Step 4: Simplify right side
    3,163.61x = 5,644,269.69
  5. Step 5: Solve for x
    x = 5,644,269.69/3,163.61
  6. Step 6: Final answer
    x = 1,784.13

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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.