Home / 1,197.34-1,789.57-1,079.94

Finding the Fourth Proportional to 1,197.34, 1,789.57 and 1,079.94

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Solution

The fourth proportional to 1,197.34, 1,789.57 and 1,079.94 is: 1,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.34 : 1,789.57 = 1,079.94 : x
  2. Step 2: Convert to fraction form
    1,197.34/1,789.57 = 1,079.94/x
  3. Step 3: Cross multiply
    1,197.34x = 1,789.57 × 1,079.94
  4. Step 4: Simplify right side
    1,197.34x = 1,932,628.23
  5. Step 5: Solve for x
    x = 1,932,628.23/1,197.34
  6. Step 6: Final answer
    x = 1,614.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.