Home / 2,879.67-4,319.59-1,124.60

Finding the Fourth Proportional to 2,879.67, 4,319.59 and 1,124.60

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Solution

The fourth proportional to 2,879.67, 4,319.59 and 1,124.60 is: 1,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.67 : 4,319.59 = 1,124.60 : x
  2. Step 2: Convert to fraction form
    2,879.67/4,319.59 = 1,124.60/x
  3. Step 3: Cross multiply
    2,879.67x = 4,319.59 × 1,124.60
  4. Step 4: Simplify right side
    2,879.67x = 4,857,823.60
  5. Step 5: Solve for x
    x = 4,857,823.60/2,879.67
  6. Step 6: Final answer
    x = 1,686.94

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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.