Home / 2,783.43-3,838.25-2,386.46

Finding the Fourth Proportional to 2,783.43, 3,838.25 and 2,386.46

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Solution

The fourth proportional to 2,783.43, 3,838.25 and 2,386.46 is: 3,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.43 : 3,838.25 = 2,386.46 : x
  2. Step 2: Convert to fraction form
    2,783.43/3,838.25 = 2,386.46/x
  3. Step 3: Cross multiply
    2,783.43x = 3,838.25 × 2,386.46
  4. Step 4: Simplify right side
    2,783.43x = 9,159,845.66
  5. Step 5: Solve for x
    x = 9,159,845.66/2,783.43
  6. Step 6: Final answer
    x = 3,290.85

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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.