Home / 2,174.31-3,000.54-1,179.57

Finding the Fourth Proportional to 2,174.31, 3,000.54 and 1,179.57

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Solution

The fourth proportional to 2,174.31, 3,000.54 and 1,179.57 is: 1,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.31 : 3,000.54 = 1,179.57 : x
  2. Step 2: Convert to fraction form
    2,174.31/3,000.54 = 1,179.57/x
  3. Step 3: Cross multiply
    2,174.31x = 3,000.54 × 1,179.57
  4. Step 4: Simplify right side
    2,174.31x = 3,539,346.97
  5. Step 5: Solve for x
    x = 3,539,346.97/2,174.31
  6. Step 6: Final answer
    x = 1,627.80

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1.5x scale

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.