Home / 2,379.04-3,568.48-1,079.60

Finding the Fourth Proportional to 2,379.04, 3,568.48 and 1,079.60

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Solution

The fourth proportional to 2,379.04, 3,568.48 and 1,079.60 is: 1,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.04 : 3,568.48 = 1,079.60 : x
  2. Step 2: Convert to fraction form
    2,379.04/3,568.48 = 1,079.60/x
  3. Step 3: Cross multiply
    2,379.04x = 3,568.48 × 1,079.60
  4. Step 4: Simplify right side
    2,379.04x = 3,852,531.01
  5. Step 5: Solve for x
    x = 3,852,531.01/2,379.04
  6. Step 6: Final answer
    x = 1,619.36

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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.