Home / 3,616.32-4,999.68-2,830.08

Finding the Fourth Proportional to 3,616.32, 4,999.68 and 2,830.08

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Solution

The fourth proportional to 3,616.32, 4,999.68 and 2,830.08 is: 3,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.32 : 4,999.68 = 2,830.08 : x
  2. Step 2: Convert to fraction form
    3,616.32/4,999.68 = 2,830.08/x
  3. Step 3: Cross multiply
    3,616.32x = 4,999.68 × 2,830.08
  4. Step 4: Simplify right side
    3,616.32x = 14,149,494.37
  5. Step 5: Solve for x
    x = 14,149,494.37/3,616.32
  6. Step 6: Final answer
    x = 3,912.68

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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.