Home / 2,644.40-3,966.60-1,348.40

Finding the Fourth Proportional to 2,644.40, 3,966.60 and 1,348.40

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Solution

The fourth proportional to 2,644.40, 3,966.60 and 1,348.40 is: 2,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.40 : 3,966.60 = 1,348.40 : x
  2. Step 2: Convert to fraction form
    2,644.40/3,966.60 = 1,348.40/x
  3. Step 3: Cross multiply
    2,644.40x = 3,966.60 × 1,348.40
  4. Step 4: Simplify right side
    2,644.40x = 5,348,563.44
  5. Step 5: Solve for x
    x = 5,348,563.44/2,644.40
  6. Step 6: Final answer
    x = 2,022.60

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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.