Home / 3,418.38-5,125.86-1,774.47

Finding the Fourth Proportional to 3,418.38, 5,125.86 and 1,774.47

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Solution

The fourth proportional to 3,418.38, 5,125.86 and 1,774.47 is: 2,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.38 : 5,125.86 = 1,774.47 : x
  2. Step 2: Convert to fraction form
    3,418.38/5,125.86 = 1,774.47/x
  3. Step 3: Cross multiply
    3,418.38x = 5,125.86 × 1,774.47
  4. Step 4: Simplify right side
    3,418.38x = 9,095,684.79
  5. Step 5: Solve for x
    x = 9,095,684.79/3,418.38
  6. Step 6: Final answer
    x = 2,660.82

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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.