Home / 2,838.08-3,916.50-1,579.34

Finding the Fourth Proportional to 2,838.08, 3,916.50 and 1,579.34

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Solution

The fourth proportional to 2,838.08, 3,916.50 and 1,579.34 is: 2,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.08 : 3,916.50 = 1,579.34 : x
  2. Step 2: Convert to fraction form
    2,838.08/3,916.50 = 1,579.34/x
  3. Step 3: Cross multiply
    2,838.08x = 3,916.50 × 1,579.34
  4. Step 4: Simplify right side
    2,838.08x = 6,185,485.11
  5. Step 5: Solve for x
    x = 6,185,485.11/2,838.08
  6. Step 6: Final answer
    x = 2,179.46

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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.