Home / 3,727.46-5,144.38-2,405.01

Finding the Fourth Proportional to 3,727.46, 5,144.38 and 2,405.01

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Solution

The fourth proportional to 3,727.46, 5,144.38 and 2,405.01 is: 3,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.46 : 5,144.38 = 2,405.01 : x
  2. Step 2: Convert to fraction form
    3,727.46/5,144.38 = 2,405.01/x
  3. Step 3: Cross multiply
    3,727.46x = 5,144.38 × 2,405.01
  4. Step 4: Simplify right side
    3,727.46x = 12,372,263.46
  5. Step 5: Solve for x
    x = 12,372,263.46/3,727.46
  6. Step 6: Final answer
    x = 3,319.22

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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.