Home / 3,005.12-4,144.56-1,957.52

Finding the Fourth Proportional to 3,005.12, 4,144.56 and 1,957.52

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Solution

The fourth proportional to 3,005.12, 4,144.56 and 1,957.52 is: 2,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.12 : 4,144.56 = 1,957.52 : x
  2. Step 2: Convert to fraction form
    3,005.12/4,144.56 = 1,957.52/x
  3. Step 3: Cross multiply
    3,005.12x = 4,144.56 × 1,957.52
  4. Step 4: Simplify right side
    3,005.12x = 8,113,059.09
  5. Step 5: Solve for x
    x = 8,113,059.09/3,005.12
  6. Step 6: Final answer
    x = 2,699.75

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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.