Home / 3,362-5,042.40-1,170.74

Finding the Fourth Proportional to 3,362, 5,042.40 and 1,170.74

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Solution

The fourth proportional to 3,362, 5,042.40 and 1,170.74 is: 1,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362 : 5,042.40 = 1,170.74 : x
  2. Step 2: Convert to fraction form
    3,362/5,042.40 = 1,170.74/x
  3. Step 3: Cross multiply
    3,362x = 5,042.40 × 1,170.74
  4. Step 4: Simplify right side
    3,362x = 5,903,339.38
  5. Step 5: Solve for x
    x = 5,903,339.38/3,362
  6. Step 6: Final answer
    x = 1,755.90

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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.