Home / 3,640.34-5,457.24-1,663.94

Finding the Fourth Proportional to 3,640.34, 5,457.24 and 1,663.94

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Solution

The fourth proportional to 3,640.34, 5,457.24 and 1,663.94 is: 2,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.34 : 5,457.24 = 1,663.94 : x
  2. Step 2: Convert to fraction form
    3,640.34/5,457.24 = 1,663.94/x
  3. Step 3: Cross multiply
    3,640.34x = 5,457.24 × 1,663.94
  4. Step 4: Simplify right side
    3,640.34x = 9,080,519.93
  5. Step 5: Solve for x
    x = 9,080,519.93/3,640.34
  6. Step 6: Final answer
    x = 2,494.42

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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.