Home / 1,743.66-2,609.28-1,627.80

Finding the Fourth Proportional to 1,743.66, 2,609.28 and 1,627.80

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Solution

The fourth proportional to 1,743.66, 2,609.28 and 1,627.80 is: 2,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.66 : 2,609.28 = 1,627.80 : x
  2. Step 2: Convert to fraction form
    1,743.66/2,609.28 = 1,627.80/x
  3. Step 3: Cross multiply
    1,743.66x = 2,609.28 × 1,627.80
  4. Step 4: Simplify right side
    1,743.66x = 4,247,385.98
  5. Step 5: Solve for x
    x = 4,247,385.98/1,743.66
  6. Step 6: Final answer
    x = 2,435.90

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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.