Home / 2,838.46-3,916.92-1,579.36

Finding the Fourth Proportional to 2,838.46, 3,916.92 and 1,579.36

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Solution

The fourth proportional to 2,838.46, 3,916.92 and 1,579.36 is: 2,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.46 : 3,916.92 = 1,579.36 : x
  2. Step 2: Convert to fraction form
    2,838.46/3,916.92 = 1,579.36/x
  3. Step 3: Cross multiply
    2,838.46x = 3,916.92 × 1,579.36
  4. Step 4: Simplify right side
    2,838.46x = 6,186,226.77
  5. Step 5: Solve for x
    x = 6,186,226.77/2,838.46
  6. Step 6: Final answer
    x = 2,179.43

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1.5x scale

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.