Home / 3,265.78-4,898.44-1,415.60

Finding the Fourth Proportional to 3,265.78, 4,898.44 and 1,415.60

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Solution

The fourth proportional to 3,265.78, 4,898.44 and 1,415.60 is: 2,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.78 : 4,898.44 = 1,415.60 : x
  2. Step 2: Convert to fraction form
    3,265.78/4,898.44 = 1,415.60/x
  3. Step 3: Cross multiply
    3,265.78x = 4,898.44 × 1,415.60
  4. Step 4: Simplify right side
    3,265.78x = 6,934,231.66
  5. Step 5: Solve for x
    x = 6,934,231.66/3,265.78
  6. Step 6: Final answer
    x = 2,123.30

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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.