Home / 3,718.17-5,579.44-1,379.79

Finding the Fourth Proportional to 3,718.17, 5,579.44 and 1,379.79

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Solution

The fourth proportional to 3,718.17, 5,579.44 and 1,379.79 is: 2,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.17 : 5,579.44 = 1,379.79 : x
  2. Step 2: Convert to fraction form
    3,718.17/5,579.44 = 1,379.79/x
  3. Step 3: Cross multiply
    3,718.17x = 5,579.44 × 1,379.79
  4. Step 4: Simplify right side
    3,718.17x = 7,698,452.07
  5. Step 5: Solve for x
    x = 7,698,452.07/3,718.17
  6. Step 6: Final answer
    x = 2,070.49

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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.