Home / 1,627.80-2,245.50-1,234.14

Finding the Fourth Proportional to 1,627.80, 2,245.50 and 1,234.14

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Solution

The fourth proportional to 1,627.80, 2,245.50 and 1,234.14 is: 1,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.80 : 2,245.50 = 1,234.14 : x
  2. Step 2: Convert to fraction form
    1,627.80/2,245.50 = 1,234.14/x
  3. Step 3: Cross multiply
    1,627.80x = 2,245.50 × 1,234.14
  4. Step 4: Simplify right side
    1,627.80x = 2,771,261.37
  5. Step 5: Solve for x
    x = 2,771,261.37/1,627.80
  6. Step 6: Final answer
    x = 1,702.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.