Home / 3,433.72-4,738.48-1,861.80

Finding the Fourth Proportional to 3,433.72, 4,738.48 and 1,861.80

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Solution

The fourth proportional to 3,433.72, 4,738.48 and 1,861.80 is: 2,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.72 : 4,738.48 = 1,861.80 : x
  2. Step 2: Convert to fraction form
    3,433.72/4,738.48 = 1,861.80/x
  3. Step 3: Cross multiply
    3,433.72x = 4,738.48 × 1,861.80
  4. Step 4: Simplify right side
    3,433.72x = 8,822,102.06
  5. Step 5: Solve for x
    x = 8,822,102.06/3,433.72
  6. Step 6: Final answer
    x = 2,569.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.