Home / 2,746.71-3,789.79-1,627.91

Finding the Fourth Proportional to 2,746.71, 3,789.79 and 1,627.91

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Solution

The fourth proportional to 2,746.71, 3,789.79 and 1,627.91 is: 2,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.71 : 3,789.79 = 1,627.91 : x
  2. Step 2: Convert to fraction form
    2,746.71/3,789.79 = 1,627.91/x
  3. Step 3: Cross multiply
    2,746.71x = 3,789.79 × 1,627.91
  4. Step 4: Simplify right side
    2,746.71x = 6,169,449.55
  5. Step 5: Solve for x
    x = 6,169,449.55/2,746.71
  6. Step 6: Final answer
    x = 2,246.12

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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.