Home / 1,573.89-2,171.97-1,201.29

Finding the Fourth Proportional to 1,573.89, 2,171.97 and 1,201.29

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Solution

The fourth proportional to 1,573.89, 2,171.97 and 1,201.29 is: 1,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.89 : 2,171.97 = 1,201.29 : x
  2. Step 2: Convert to fraction form
    1,573.89/2,171.97 = 1,201.29/x
  3. Step 3: Cross multiply
    1,573.89x = 2,171.97 × 1,201.29
  4. Step 4: Simplify right side
    1,573.89x = 2,609,165.84
  5. Step 5: Solve for x
    x = 2,609,165.84/1,573.89
  6. Step 6: Final answer
    x = 1,657.78

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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.