Home / 2,151.61-3,228.33-1,176.58

Finding the Fourth Proportional to 2,151.61, 3,228.33 and 1,176.58

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Solution

The fourth proportional to 2,151.61, 3,228.33 and 1,176.58 is: 1,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.61 : 3,228.33 = 1,176.58 : x
  2. Step 2: Convert to fraction form
    2,151.61/3,228.33 = 1,176.58/x
  3. Step 3: Cross multiply
    2,151.61x = 3,228.33 × 1,176.58
  4. Step 4: Simplify right side
    2,151.61x = 3,798,375.49
  5. Step 5: Solve for x
    x = 3,798,375.49/2,151.61
  6. Step 6: Final answer
    x = 1,765.36

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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.