Home / 2,914.56-4,374-1,617.12

Finding the Fourth Proportional to 2,914.56, 4,374 and 1,617.12

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Solution

The fourth proportional to 2,914.56, 4,374 and 1,617.12 is: 2,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.56 : 4,374 = 1,617.12 : x
  2. Step 2: Convert to fraction form
    2,914.56/4,374 = 1,617.12/x
  3. Step 3: Cross multiply
    2,914.56x = 4,374 × 1,617.12
  4. Step 4: Simplify right side
    2,914.56x = 7,073,282.88
  5. Step 5: Solve for x
    x = 7,073,282.88/2,914.56
  6. Step 6: Final answer
    x = 2,426.88

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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.