Home / 2,746.47-3,789.99-1,627.50

Finding the Fourth Proportional to 2,746.47, 3,789.99 and 1,627.50

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Solution

The fourth proportional to 2,746.47, 3,789.99 and 1,627.50 is: 2,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.47 : 3,789.99 = 1,627.50 : x
  2. Step 2: Convert to fraction form
    2,746.47/3,789.99 = 1,627.50/x
  3. Step 3: Cross multiply
    2,746.47x = 3,789.99 × 1,627.50
  4. Step 4: Simplify right side
    2,746.47x = 6,168,208.73
  5. Step 5: Solve for x
    x = 6,168,208.73/2,746.47
  6. Step 6: Final answer
    x = 2,245.87

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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.