Home / 2,838.04-3,913.80-1,879.24

Finding the Fourth Proportional to 2,838.04, 3,913.80 and 1,879.24

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Solution

The fourth proportional to 2,838.04, 3,913.80 and 1,879.24 is: 2,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.04 : 3,913.80 = 1,879.24 : x
  2. Step 2: Convert to fraction form
    2,838.04/3,913.80 = 1,879.24/x
  3. Step 3: Cross multiply
    2,838.04x = 3,913.80 × 1,879.24
  4. Step 4: Simplify right side
    2,838.04x = 7,354,969.51
  5. Step 5: Solve for x
    x = 7,354,969.51/2,838.04
  6. Step 6: Final answer
    x = 2,591.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.