Home / 3,390.73-5,095.82-1,660.57

Finding the Fourth Proportional to 3,390.73, 5,095.82 and 1,660.57

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Solution

The fourth proportional to 3,390.73, 5,095.82 and 1,660.57 is: 2,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.73 : 5,095.82 = 1,660.57 : x
  2. Step 2: Convert to fraction form
    3,390.73/5,095.82 = 1,660.57/x
  3. Step 3: Cross multiply
    3,390.73x = 5,095.82 × 1,660.57
  4. Step 4: Simplify right side
    3,390.73x = 8,461,965.82
  5. Step 5: Solve for x
    x = 8,461,965.82/3,390.73
  6. Step 6: Final answer
    x = 2,495.62

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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.