Home / 3,668.10-5,503.89-1,478.34

Finding the Fourth Proportional to 3,668.10, 5,503.89 and 1,478.34

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Solution

The fourth proportional to 3,668.10, 5,503.89 and 1,478.34 is: 2,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.10 : 5,503.89 = 1,478.34 : x
  2. Step 2: Convert to fraction form
    3,668.10/5,503.89 = 1,478.34/x
  3. Step 3: Cross multiply
    3,668.10x = 5,503.89 × 1,478.34
  4. Step 4: Simplify right side
    3,668.10x = 8,136,620.74
  5. Step 5: Solve for x
    x = 8,136,620.74/3,668.10
  6. Step 6: Final answer
    x = 2,218.21

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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.