Home / 3,433.56-4,738.32-1,861.65

Finding the Fourth Proportional to 3,433.56, 4,738.32 and 1,861.65

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Solution

The fourth proportional to 3,433.56, 4,738.32 and 1,861.65 is: 2,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.56 : 4,738.32 = 1,861.65 : x
  2. Step 2: Convert to fraction form
    3,433.56/4,738.32 = 1,861.65/x
  3. Step 3: Cross multiply
    3,433.56x = 4,738.32 × 1,861.65
  4. Step 4: Simplify right side
    3,433.56x = 8,821,093.43
  5. Step 5: Solve for x
    x = 8,821,093.43/3,433.56
  6. Step 6: Final answer
    x = 2,569.08

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1.5x scale

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.