Home / 2,917.62-4,026.30-1,591.32

Finding the Fourth Proportional to 2,917.62, 4,026.30 and 1,591.32

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Solution

The fourth proportional to 2,917.62, 4,026.30 and 1,591.32 is: 2,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.62 : 4,026.30 = 1,591.32 : x
  2. Step 2: Convert to fraction form
    2,917.62/4,026.30 = 1,591.32/x
  3. Step 3: Cross multiply
    2,917.62x = 4,026.30 × 1,591.32
  4. Step 4: Simplify right side
    2,917.62x = 6,407,131.72
  5. Step 5: Solve for x
    x = 6,407,131.72/2,917.62
  6. Step 6: Final answer
    x = 2,196.01

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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.