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Finding the Fourth Proportional to 2,624.76, 3,931.74 and 1,895.80

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Solution

The fourth proportional to 2,624.76, 3,931.74 and 1,895.80 is: 2,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.76 : 3,931.74 = 1,895.80 : x
  2. Step 2: Convert to fraction form
    2,624.76/3,931.74 = 1,895.80/x
  3. Step 3: Cross multiply
    2,624.76x = 3,931.74 × 1,895.80
  4. Step 4: Simplify right side
    2,624.76x = 7,453,792.69
  5. Step 5: Solve for x
    x = 7,453,792.69/2,624.76
  6. Step 6: Final answer
    x = 2,839.80

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