Home / 3,356.67-5,033.15-1,381.77

Finding the Fourth Proportional to 3,356.67, 5,033.15 and 1,381.77

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Solution

The fourth proportional to 3,356.67, 5,033.15 and 1,381.77 is: 2,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.67 : 5,033.15 = 1,381.77 : x
  2. Step 2: Convert to fraction form
    3,356.67/5,033.15 = 1,381.77/x
  3. Step 3: Cross multiply
    3,356.67x = 5,033.15 × 1,381.77
  4. Step 4: Simplify right side
    3,356.67x = 6,954,648.77
  5. Step 5: Solve for x
    x = 6,954,648.77/3,356.67
  6. Step 6: Final answer
    x = 2,071.89

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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.