Home / 4,571.28-6,851.52-1,971

Finding the Fourth Proportional to 4,571.28, 6,851.52 and 1,971

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Solution

The fourth proportional to 4,571.28, 6,851.52 and 1,971 is: 2,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.28 : 6,851.52 = 1,971 : x
  2. Step 2: Convert to fraction form
    4,571.28/6,851.52 = 1,971/x
  3. Step 3: Cross multiply
    4,571.28x = 6,851.52 × 1,971
  4. Step 4: Simplify right side
    4,571.28x = 13,504,345.92
  5. Step 5: Solve for x
    x = 13,504,345.92/4,571.28
  6. Step 6: Final answer
    x = 2,954.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.