Home / 1,723.84-2,380.32-1,376.96

Finding the Fourth Proportional to 1,723.84, 2,380.32 and 1,376.96

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Solution

The fourth proportional to 1,723.84, 2,380.32 and 1,376.96 is: 1,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.84 : 2,380.32 = 1,376.96 : x
  2. Step 2: Convert to fraction form
    1,723.84/2,380.32 = 1,376.96/x
  3. Step 3: Cross multiply
    1,723.84x = 2,380.32 × 1,376.96
  4. Step 4: Simplify right side
    1,723.84x = 3,277,605.43
  5. Step 5: Solve for x
    x = 3,277,605.43/1,723.84
  6. Step 6: Final answer
    x = 1,901.34

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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.