Home / 1,177.37-1,766.20-397.03

Finding the Fourth Proportional to 1,177.37, 1,766.20 and 397.03

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Solution

The fourth proportional to 1,177.37, 1,766.20 and 397.03 is: 595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.37 : 1,766.20 = 397.03 : x
  2. Step 2: Convert to fraction form
    1,177.37/1,766.20 = 397.03/x
  3. Step 3: Cross multiply
    1,177.37x = 1,766.20 × 397.03
  4. Step 4: Simplify right side
    1,177.37x = 701,234.39
  5. Step 5: Solve for x
    x = 701,234.39/1,177.37
  6. Step 6: Final answer
    x = 595.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.