Home / 2,838.23-3,915.89-1,776.17

Finding the Fourth Proportional to 2,838.23, 3,915.89 and 1,776.17

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Solution

The fourth proportional to 2,838.23, 3,915.89 and 1,776.17 is: 2,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.23 : 3,915.89 = 1,776.17 : x
  2. Step 2: Convert to fraction form
    2,838.23/3,915.89 = 1,776.17/x
  3. Step 3: Cross multiply
    2,838.23x = 3,915.89 × 1,776.17
  4. Step 4: Simplify right side
    2,838.23x = 6,955,257.88
  5. Step 5: Solve for x
    x = 6,955,257.88/2,838.23
  6. Step 6: Final answer
    x = 2,450.57

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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.