Home / 3,579.90-5,368.41-1,270.86

Finding the Fourth Proportional to 3,579.90, 5,368.41 and 1,270.86

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Solution

The fourth proportional to 3,579.90, 5,368.41 and 1,270.86 is: 1,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.90 : 5,368.41 = 1,270.86 : x
  2. Step 2: Convert to fraction form
    3,579.90/5,368.41 = 1,270.86/x
  3. Step 3: Cross multiply
    3,579.90x = 5,368.41 × 1,270.86
  4. Step 4: Simplify right side
    3,579.90x = 6,822,497.53
  5. Step 5: Solve for x
    x = 6,822,497.53/3,579.90
  6. Step 6: Final answer
    x = 1,905.78

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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.