Home / 3,687.69-5,532.61-1,090.70

Finding the Fourth Proportional to 3,687.69, 5,532.61 and 1,090.70

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Solution

The fourth proportional to 3,687.69, 5,532.61 and 1,090.70 is: 1,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.69 : 5,532.61 = 1,090.70 : x
  2. Step 2: Convert to fraction form
    3,687.69/5,532.61 = 1,090.70/x
  3. Step 3: Cross multiply
    3,687.69x = 5,532.61 × 1,090.70
  4. Step 4: Simplify right side
    3,687.69x = 6,034,390.06
  5. Step 5: Solve for x
    x = 6,034,390.06/3,687.69
  6. Step 6: Final answer
    x = 1,636.36

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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.