Home / 2,748.40-4,122.60-2,537.80

Finding the Fourth Proportional to 2,748.40, 4,122.60 and 2,537.80

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Solution

The fourth proportional to 2,748.40, 4,122.60 and 2,537.80 is: 3,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.40 : 4,122.60 = 2,537.80 : x
  2. Step 2: Convert to fraction form
    2,748.40/4,122.60 = 2,537.80/x
  3. Step 3: Cross multiply
    2,748.40x = 4,122.60 × 2,537.80
  4. Step 4: Simplify right side
    2,748.40x = 10,462,334.28
  5. Step 5: Solve for x
    x = 10,462,334.28/2,748.40
  6. Step 6: Final answer
    x = 3,806.70

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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.