Home / 2,917.36-4,026-1,591.08

Finding the Fourth Proportional to 2,917.36, 4,026 and 1,591.08

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Solution

The fourth proportional to 2,917.36, 4,026 and 1,591.08 is: 2,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.36 : 4,026 = 1,591.08 : x
  2. Step 2: Convert to fraction form
    2,917.36/4,026 = 1,591.08/x
  3. Step 3: Cross multiply
    2,917.36x = 4,026 × 1,591.08
  4. Step 4: Simplify right side
    2,917.36x = 6,405,688.08
  5. Step 5: Solve for x
    x = 6,405,688.08/2,917.36
  6. Step 6: Final answer
    x = 2,195.71

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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.