Home / 2,379.88-3,568.62-1,130.11

Finding the Fourth Proportional to 2,379.88, 3,568.62 and 1,130.11

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Solution

The fourth proportional to 2,379.88, 3,568.62 and 1,130.11 is: 1,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.88 : 3,568.62 = 1,130.11 : x
  2. Step 2: Convert to fraction form
    2,379.88/3,568.62 = 1,130.11/x
  3. Step 3: Cross multiply
    2,379.88x = 3,568.62 × 1,130.11
  4. Step 4: Simplify right side
    2,379.88x = 4,032,933.15
  5. Step 5: Solve for x
    x = 4,032,933.15/2,379.88
  6. Step 6: Final answer
    x = 1,694.60

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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.