Home / 3,381.85-5,072.77-1,433.80

Finding the Fourth Proportional to 3,381.85, 5,072.77 and 1,433.80

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Solution

The fourth proportional to 3,381.85, 5,072.77 and 1,433.80 is: 2,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.85 : 5,072.77 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    3,381.85/5,072.77 = 1,433.80/x
  3. Step 3: Cross multiply
    3,381.85x = 5,072.77 × 1,433.80
  4. Step 4: Simplify right side
    3,381.85x = 7,273,312.26
  5. Step 5: Solve for x
    x = 7,273,312.26/3,381.85
  6. Step 6: Final answer
    x = 2,150.69

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1.5x scale

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.