Home / 3,655.69-5,481.92-1,156.25

Finding the Fourth Proportional to 3,655.69, 5,481.92 and 1,156.25

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Solution

The fourth proportional to 3,655.69, 5,481.92 and 1,156.25 is: 1,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.69 : 5,481.92 = 1,156.25 : x
  2. Step 2: Convert to fraction form
    3,655.69/5,481.92 = 1,156.25/x
  3. Step 3: Cross multiply
    3,655.69x = 5,481.92 × 1,156.25
  4. Step 4: Simplify right side
    3,655.69x = 6,338,486.60
  5. Step 5: Solve for x
    x = 6,338,486.60/3,655.69
  6. Step 6: Final answer
    x = 1,733.87

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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.