Home / 2,344.40-3,227.89-1,989.62

Finding the Fourth Proportional to 2,344.40, 3,227.89 and 1,989.62

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Solution

The fourth proportional to 2,344.40, 3,227.89 and 1,989.62 is: 2,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.40 : 3,227.89 = 1,989.62 : x
  2. Step 2: Convert to fraction form
    2,344.40/3,227.89 = 1,989.62/x
  3. Step 3: Cross multiply
    2,344.40x = 3,227.89 × 1,989.62
  4. Step 4: Simplify right side
    2,344.40x = 6,422,274.50
  5. Step 5: Solve for x
    x = 6,422,274.50/2,344.40
  6. Step 6: Final answer
    x = 2,739.41

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1.5x scale

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.