Home / 2,838.92-3,916.63-1,776.25

Finding the Fourth Proportional to 2,838.92, 3,916.63 and 1,776.25

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Solution

The fourth proportional to 2,838.92, 3,916.63 and 1,776.25 is: 2,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.92 : 3,916.63 = 1,776.25 : x
  2. Step 2: Convert to fraction form
    2,838.92/3,916.63 = 1,776.25/x
  3. Step 3: Cross multiply
    2,838.92x = 3,916.63 × 1,776.25
  4. Step 4: Simplify right side
    2,838.92x = 6,956,927.17
  5. Step 5: Solve for x
    x = 6,956,927.17/2,838.92
  6. Step 6: Final answer
    x = 2,450.55

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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.