Home / 3,334.71-5,004.28-1,386.91

Finding the Fourth Proportional to 3,334.71, 5,004.28 and 1,386.91

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Solution

The fourth proportional to 3,334.71, 5,004.28 and 1,386.91 is: 2,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.71 : 5,004.28 = 1,386.91 : x
  2. Step 2: Convert to fraction form
    3,334.71/5,004.28 = 1,386.91/x
  3. Step 3: Cross multiply
    3,334.71x = 5,004.28 × 1,386.91
  4. Step 4: Simplify right side
    3,334.71x = 6,940,485.97
  5. Step 5: Solve for x
    x = 6,940,485.97/3,334.71
  6. Step 6: Final answer
    x = 2,081.29

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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.