Home / 3,455.48-5,180.38-1,374.59

Finding the Fourth Proportional to 3,455.48, 5,180.38 and 1,374.59

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Solution

The fourth proportional to 3,455.48, 5,180.38 and 1,374.59 is: 2,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.48 : 5,180.38 = 1,374.59 : x
  2. Step 2: Convert to fraction form
    3,455.48/5,180.38 = 1,374.59/x
  3. Step 3: Cross multiply
    3,455.48x = 5,180.38 × 1,374.59
  4. Step 4: Simplify right side
    3,455.48x = 7,120,898.54
  5. Step 5: Solve for x
    x = 7,120,898.54/3,455.48
  6. Step 6: Final answer
    x = 2,060.76

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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.