Home / 2,838.42-3,916.67-1,579.16

Finding the Fourth Proportional to 2,838.42, 3,916.67 and 1,579.16

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Solution

The fourth proportional to 2,838.42, 3,916.67 and 1,579.16 is: 2,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.42 : 3,916.67 = 1,579.16 : x
  2. Step 2: Convert to fraction form
    2,838.42/3,916.67 = 1,579.16/x
  3. Step 3: Cross multiply
    2,838.42x = 3,916.67 × 1,579.16
  4. Step 4: Simplify right side
    2,838.42x = 6,185,048.60
  5. Step 5: Solve for x
    x = 6,185,048.60/2,838.42
  6. Step 6: Final answer
    x = 2,179.05

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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.