Home / 3,630.45-5,007.60-2,883.21

Finding the Fourth Proportional to 3,630.45, 5,007.60 and 2,883.21

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Solution

The fourth proportional to 3,630.45, 5,007.60 and 2,883.21 is: 3,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.45 : 5,007.60 = 2,883.21 : x
  2. Step 2: Convert to fraction form
    3,630.45/5,007.60 = 2,883.21/x
  3. Step 3: Cross multiply
    3,630.45x = 5,007.60 × 2,883.21
  4. Step 4: Simplify right side
    3,630.45x = 14,437,962.40
  5. Step 5: Solve for x
    x = 14,437,962.40/3,630.45
  6. Step 6: Final answer
    x = 3,976.91

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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.