Home / 2,838.25-3,917.76-1,762.36

Finding the Fourth Proportional to 2,838.25, 3,917.76 and 1,762.36

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Solution

The fourth proportional to 2,838.25, 3,917.76 and 1,762.36 is: 2,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.25 : 3,917.76 = 1,762.36 : x
  2. Step 2: Convert to fraction form
    2,838.25/3,917.76 = 1,762.36/x
  3. Step 3: Cross multiply
    2,838.25x = 3,917.76 × 1,762.36
  4. Step 4: Simplify right side
    2,838.25x = 6,904,503.51
  5. Step 5: Solve for x
    x = 6,904,503.51/2,838.25
  6. Step 6: Final answer
    x = 2,432.66

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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.