Home / 2,952.12-4,072.62-1,957.56

Finding the Fourth Proportional to 2,952.12, 4,072.62 and 1,957.56

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Solution

The fourth proportional to 2,952.12, 4,072.62 and 1,957.56 is: 2,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.12 : 4,072.62 = 1,957.56 : x
  2. Step 2: Convert to fraction form
    2,952.12/4,072.62 = 1,957.56/x
  3. Step 3: Cross multiply
    2,952.12x = 4,072.62 × 1,957.56
  4. Step 4: Simplify right side
    2,952.12x = 7,972,398.01
  5. Step 5: Solve for x
    x = 7,972,398.01/2,952.12
  6. Step 6: Final answer
    x = 2,700.57

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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.