Home / 3,718.44-5,128.60-2,723.36

Finding the Fourth Proportional to 3,718.44, 5,128.60 and 2,723.36

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Solution

The fourth proportional to 3,718.44, 5,128.60 and 2,723.36 is: 3,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.44 : 5,128.60 = 2,723.36 : x
  2. Step 2: Convert to fraction form
    3,718.44/5,128.60 = 2,723.36/x
  3. Step 3: Cross multiply
    3,718.44x = 5,128.60 × 2,723.36
  4. Step 4: Simplify right side
    3,718.44x = 13,967,024.10
  5. Step 5: Solve for x
    x = 13,967,024.10/3,718.44
  6. Step 6: Final answer
    x = 3,756.15

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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.