Home / 2,838.17-3,916.45-1,579.23

Finding the Fourth Proportional to 2,838.17, 3,916.45 and 1,579.23

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Solution

The fourth proportional to 2,838.17, 3,916.45 and 1,579.23 is: 2,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.17 : 3,916.45 = 1,579.23 : x
  2. Step 2: Convert to fraction form
    2,838.17/3,916.45 = 1,579.23/x
  3. Step 3: Cross multiply
    2,838.17x = 3,916.45 × 1,579.23
  4. Step 4: Simplify right side
    2,838.17x = 6,184,971.39
  5. Step 5: Solve for x
    x = 6,184,971.39/2,838.17
  6. Step 6: Final answer
    x = 2,179.21

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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.