Home / 1,748.76-2,617.65-1,279.23

Finding the Fourth Proportional to 1,748.76, 2,617.65 and 1,279.23

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Solution

The fourth proportional to 1,748.76, 2,617.65 and 1,279.23 is: 1,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.76 : 2,617.65 = 1,279.23 : x
  2. Step 2: Convert to fraction form
    1,748.76/2,617.65 = 1,279.23/x
  3. Step 3: Cross multiply
    1,748.76x = 2,617.65 × 1,279.23
  4. Step 4: Simplify right side
    1,748.76x = 3,348,576.41
  5. Step 5: Solve for x
    x = 3,348,576.41/1,748.76
  6. Step 6: Final answer
    x = 1,914.83

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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.