Home / 2,905.88-4,010.24-1,629.88

Finding the Fourth Proportional to 2,905.88, 4,010.24 and 1,629.88

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Solution

The fourth proportional to 2,905.88, 4,010.24 and 1,629.88 is: 2,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.88 : 4,010.24 = 1,629.88 : x
  2. Step 2: Convert to fraction form
    2,905.88/4,010.24 = 1,629.88/x
  3. Step 3: Cross multiply
    2,905.88x = 4,010.24 × 1,629.88
  4. Step 4: Simplify right side
    2,905.88x = 6,536,204.02
  5. Step 5: Solve for x
    x = 6,536,204.02/2,905.88
  6. Step 6: Final answer
    x = 2,249.31

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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.