Home / 3,355.54-5,033.42-1,409.11

Finding the Fourth Proportional to 3,355.54, 5,033.42 and 1,409.11

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Solution

The fourth proportional to 3,355.54, 5,033.42 and 1,409.11 is: 2,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.54 : 5,033.42 = 1,409.11 : x
  2. Step 2: Convert to fraction form
    3,355.54/5,033.42 = 1,409.11/x
  3. Step 3: Cross multiply
    3,355.54x = 5,033.42 × 1,409.11
  4. Step 4: Simplify right side
    3,355.54x = 7,092,642.46
  5. Step 5: Solve for x
    x = 7,092,642.46/3,355.54
  6. Step 6: Final answer
    x = 2,113.71

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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.