Home / 1,972.17-2,716.36-1,824.32

Finding the Fourth Proportional to 1,972.17, 2,716.36 and 1,824.32

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Solution

The fourth proportional to 1,972.17, 2,716.36 and 1,824.32 is: 2,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.17 : 2,716.36 = 1,824.32 : x
  2. Step 2: Convert to fraction form
    1,972.17/2,716.36 = 1,824.32/x
  3. Step 3: Cross multiply
    1,972.17x = 2,716.36 × 1,824.32
  4. Step 4: Simplify right side
    1,972.17x = 4,955,517.24
  5. Step 5: Solve for x
    x = 4,955,517.24/1,972.17
  6. Step 6: Final answer
    x = 2,512.72

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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.