Home / 2,142.93-2,957.13-1,198.52

Finding the Fourth Proportional to 2,142.93, 2,957.13 and 1,198.52

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Solution

The fourth proportional to 2,142.93, 2,957.13 and 1,198.52 is: 1,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142.93 : 2,957.13 = 1,198.52 : x
  2. Step 2: Convert to fraction form
    2,142.93/2,957.13 = 1,198.52/x
  3. Step 3: Cross multiply
    2,142.93x = 2,957.13 × 1,198.52
  4. Step 4: Simplify right side
    2,142.93x = 3,544,187.44
  5. Step 5: Solve for x
    x = 3,544,187.44/2,142.93
  6. Step 6: Final answer
    x = 1,653.90

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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.