Home / 3,762.72-5,192.64-2,190.24

Finding the Fourth Proportional to 3,762.72, 5,192.64 and 2,190.24

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Solution

The fourth proportional to 3,762.72, 5,192.64 and 2,190.24 is: 3,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.72 : 5,192.64 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    3,762.72/5,192.64 = 2,190.24/x
  3. Step 3: Cross multiply
    3,762.72x = 5,192.64 × 2,190.24
  4. Step 4: Simplify right side
    3,762.72x = 11,373,127.83
  5. Step 5: Solve for x
    x = 11,373,127.83/3,762.72
  6. Step 6: Final answer
    x = 3,022.58

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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.