Home / 1,199.39-1,644.36-1,177.52

Finding the Fourth Proportional to 1,199.39, 1,644.36 and 1,177.52

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Solution

The fourth proportional to 1,199.39, 1,644.36 and 1,177.52 is: 1,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.39 : 1,644.36 = 1,177.52 : x
  2. Step 2: Convert to fraction form
    1,199.39/1,644.36 = 1,177.52/x
  3. Step 3: Cross multiply
    1,199.39x = 1,644.36 × 1,177.52
  4. Step 4: Simplify right side
    1,199.39x = 1,936,269.73
  5. Step 5: Solve for x
    x = 1,936,269.73/1,199.39
  6. Step 6: Final answer
    x = 1,614.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.