Home / 3,355.45-4,630.32-1,863.16

Finding the Fourth Proportional to 3,355.45, 4,630.32 and 1,863.16

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Solution

The fourth proportional to 3,355.45, 4,630.32 and 1,863.16 is: 2,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.45 : 4,630.32 = 1,863.16 : x
  2. Step 2: Convert to fraction form
    3,355.45/4,630.32 = 1,863.16/x
  3. Step 3: Cross multiply
    3,355.45x = 4,630.32 × 1,863.16
  4. Step 4: Simplify right side
    3,355.45x = 8,627,027.01
  5. Step 5: Solve for x
    x = 8,627,027.01/3,355.45
  6. Step 6: Final answer
    x = 2,571.05

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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.