Home / 2,879.16-4,289.03-2,792.04

Finding the Fourth Proportional to 2,879.16, 4,289.03 and 2,792.04

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Solution

The fourth proportional to 2,879.16, 4,289.03 and 2,792.04 is: 4,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.16 : 4,289.03 = 2,792.04 : x
  2. Step 2: Convert to fraction form
    2,879.16/4,289.03 = 2,792.04/x
  3. Step 3: Cross multiply
    2,879.16x = 4,289.03 × 2,792.04
  4. Step 4: Simplify right side
    2,879.16x = 11,975,129.36
  5. Step 5: Solve for x
    x = 11,975,129.36/2,879.16
  6. Step 6: Final answer
    x = 4,159.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.