Home / 3,633.72-5,021.34-2,970.32

Finding the Fourth Proportional to 3,633.72, 5,021.34 and 2,970.32

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Solution

The fourth proportional to 3,633.72, 5,021.34 and 2,970.32 is: 4,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.72 : 5,021.34 = 2,970.32 : x
  2. Step 2: Convert to fraction form
    3,633.72/5,021.34 = 2,970.32/x
  3. Step 3: Cross multiply
    3,633.72x = 5,021.34 × 2,970.32
  4. Step 4: Simplify right side
    3,633.72x = 14,914,986.63
  5. Step 5: Solve for x
    x = 14,914,986.63/3,633.72
  6. Step 6: Final answer
    x = 4,104.61

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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.