Home / 3,721.44-5,104.80-3,688.80

Finding the Fourth Proportional to 3,721.44, 5,104.80 and 3,688.80

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Solution

The fourth proportional to 3,721.44, 5,104.80 and 3,688.80 is: 5,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.44 : 5,104.80 = 3,688.80 : x
  2. Step 2: Convert to fraction form
    3,721.44/5,104.80 = 3,688.80/x
  3. Step 3: Cross multiply
    3,721.44x = 5,104.80 × 3,688.80
  4. Step 4: Simplify right side
    3,721.44x = 18,830,586.24
  5. Step 5: Solve for x
    x = 18,830,586.24/3,721.44
  6. Step 6: Final answer
    x = 5,060.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.