Home / 3,620.72-4,995.96-2,223.92

Finding the Fourth Proportional to 3,620.72, 4,995.96 and 2,223.92

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Solution

The fourth proportional to 3,620.72, 4,995.96 and 2,223.92 is: 3,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.72 : 4,995.96 = 2,223.92 : x
  2. Step 2: Convert to fraction form
    3,620.72/4,995.96 = 2,223.92/x
  3. Step 3: Cross multiply
    3,620.72x = 4,995.96 × 2,223.92
  4. Step 4: Simplify right side
    3,620.72x = 11,110,615.36
  5. Step 5: Solve for x
    x = 11,110,615.36/3,620.72
  6. Step 6: Final answer
    x = 3,068.62

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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.