Home / 2,379.44-3,569.16-1,080

Finding the Fourth Proportional to 2,379.44, 3,569.16 and 1,080

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Solution

The fourth proportional to 2,379.44, 3,569.16 and 1,080 is: 1,620

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.44 : 3,569.16 = 1,080 : x
  2. Step 2: Convert to fraction form
    2,379.44/3,569.16 = 1,080/x
  3. Step 3: Cross multiply
    2,379.44x = 3,569.16 × 1,080
  4. Step 4: Simplify right side
    2,379.44x = 3,854,696.85
  5. Step 5: Solve for x
    x = 3,854,696.85/2,379.44
  6. Step 6: Final answer
    x = 1,620

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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.