Home / 3,687.69-5,533.70-2,646.57

Finding the Fourth Proportional to 3,687.69, 5,533.70 and 2,646.57

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Solution

The fourth proportional to 3,687.69, 5,533.70 and 2,646.57 is: 3,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.69 : 5,533.70 = 2,646.57 : x
  2. Step 2: Convert to fraction form
    3,687.69/5,533.70 = 2,646.57/x
  3. Step 3: Cross multiply
    3,687.69x = 5,533.70 × 2,646.57
  4. Step 4: Simplify right side
    3,687.69x = 14,645,311.18
  5. Step 5: Solve for x
    x = 14,645,311.18/3,687.69
  6. Step 6: Final answer
    x = 3,971.41

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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.