Home / 2,729.25-4,112.46-2,430.88

Finding the Fourth Proportional to 2,729.25, 4,112.46 and 2,430.88

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Solution

The fourth proportional to 2,729.25, 4,112.46 and 2,430.88 is: 3,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.25 : 4,112.46 = 2,430.88 : x
  2. Step 2: Convert to fraction form
    2,729.25/4,112.46 = 2,430.88/x
  3. Step 3: Cross multiply
    2,729.25x = 4,112.46 × 2,430.88
  4. Step 4: Simplify right side
    2,729.25x = 9,996,886.48
  5. Step 5: Solve for x
    x = 9,996,886.48/2,729.25
  6. Step 6: Final answer
    x = 3,662.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.