Home / 3,578.76-5,351.70-3,403.80

Finding the Fourth Proportional to 3,578.76, 5,351.70 and 3,403.80

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Solution

The fourth proportional to 3,578.76, 5,351.70 and 3,403.80 is: 5,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.76 : 5,351.70 = 3,403.80 : x
  2. Step 2: Convert to fraction form
    3,578.76/5,351.70 = 3,403.80/x
  3. Step 3: Cross multiply
    3,578.76x = 5,351.70 × 3,403.80
  4. Step 4: Simplify right side
    3,578.76x = 18,216,116.46
  5. Step 5: Solve for x
    x = 18,216,116.46/3,578.76
  6. Step 6: Final answer
    x = 5,090.06

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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.