Home / 1,748.60-2,625.30-1,383.80

Finding the Fourth Proportional to 1,748.60, 2,625.30 and 1,383.80

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Solution

The fourth proportional to 1,748.60, 2,625.30 and 1,383.80 is: 2,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.60 : 2,625.30 = 1,383.80 : x
  2. Step 2: Convert to fraction form
    1,748.60/2,625.30 = 1,383.80/x
  3. Step 3: Cross multiply
    1,748.60x = 2,625.30 × 1,383.80
  4. Step 4: Simplify right side
    1,748.60x = 3,632,890.14
  5. Step 5: Solve for x
    x = 3,632,890.14/1,748.60
  6. Step 6: Final answer
    x = 2,077.60

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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.