Home / 3,630.80-5,015.88-3,354.32

Finding the Fourth Proportional to 3,630.80, 5,015.88 and 3,354.32

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Solution

The fourth proportional to 3,630.80, 5,015.88 and 3,354.32 is: 4,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.80 : 5,015.88 = 3,354.32 : x
  2. Step 2: Convert to fraction form
    3,630.80/5,015.88 = 3,354.32/x
  3. Step 3: Cross multiply
    3,630.80x = 5,015.88 × 3,354.32
  4. Step 4: Simplify right side
    3,630.80x = 16,824,866.60
  5. Step 5: Solve for x
    x = 16,824,866.60/3,630.80
  6. Step 6: Final answer
    x = 4,633.93

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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.