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Finding the Fourth Proportional to 1,751.47, 2,627.25 and 827.46

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Solution

The fourth proportional to 1,751.47, 2,627.25 and 827.46 is: 1,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.47 : 2,627.25 = 827.46 : x
  2. Step 2: Convert to fraction form
    1,751.47/2,627.25 = 827.46/x
  3. Step 3: Cross multiply
    1,751.47x = 2,627.25 × 827.46
  4. Step 4: Simplify right side
    1,751.47x = 2,173,944.29
  5. Step 5: Solve for x
    x = 2,173,944.29/1,751.47
  6. Step 6: Final answer
    x = 1,241.21

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1.5x scale

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.