Home / 3,409.49-5,110.90-1,653.82

Finding the Fourth Proportional to 3,409.49, 5,110.90 and 1,653.82

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Solution

The fourth proportional to 3,409.49, 5,110.90 and 1,653.82 is: 2,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.49 : 5,110.90 = 1,653.82 : x
  2. Step 2: Convert to fraction form
    3,409.49/5,110.90 = 1,653.82/x
  3. Step 3: Cross multiply
    3,409.49x = 5,110.90 × 1,653.82
  4. Step 4: Simplify right side
    3,409.49x = 8,452,491.73
  5. Step 5: Solve for x
    x = 8,452,491.73/3,409.49
  6. Step 6: Final answer
    x = 2,479.11

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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.