Home / 3,433.54-4,738.28-1,861.64

Finding the Fourth Proportional to 3,433.54, 4,738.28 and 1,861.64

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Solution

The fourth proportional to 3,433.54, 4,738.28 and 1,861.64 is: 2,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.54 : 4,738.28 = 1,861.64 : x
  2. Step 2: Convert to fraction form
    3,433.54/4,738.28 = 1,861.64/x
  3. Step 3: Cross multiply
    3,433.54x = 4,738.28 × 1,861.64
  4. Step 4: Simplify right side
    3,433.54x = 8,820,971.58
  5. Step 5: Solve for x
    x = 8,820,971.58/3,433.54
  6. Step 6: Final answer
    x = 2,569.06

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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.