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Finding the Fourth Proportional to 3,720.74, 5,581.10 and 1,527.05

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Solution

The fourth proportional to 3,720.74, 5,581.10 and 1,527.05 is: 2,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.74 : 5,581.10 = 1,527.05 : x
  2. Step 2: Convert to fraction form
    3,720.74/5,581.10 = 1,527.05/x
  3. Step 3: Cross multiply
    3,720.74x = 5,581.10 × 1,527.05
  4. Step 4: Simplify right side
    3,720.74x = 8,522,636.53
  5. Step 5: Solve for x
    x = 8,522,636.53/3,720.74
  6. Step 6: Final answer
    x = 2,290.58

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