Home / 1,176.30-1,613.30-1,171.98

Finding the Fourth Proportional to 1,176.30, 1,613.30 and 1,171.98

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Solution

The fourth proportional to 1,176.30, 1,613.30 and 1,171.98 is: 1,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.30 : 1,613.30 = 1,171.98 : x
  2. Step 2: Convert to fraction form
    1,176.30/1,613.30 = 1,171.98/x
  3. Step 3: Cross multiply
    1,176.30x = 1,613.30 × 1,171.98
  4. Step 4: Simplify right side
    1,176.30x = 1,890,749.47
  5. Step 5: Solve for x
    x = 1,890,749.47/1,176.30
  6. Step 6: Final answer
    x = 1,607.37

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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.