Home / 2,917.76-4,026.55-1,591.53

Finding the Fourth Proportional to 2,917.76, 4,026.55 and 1,591.53

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Solution

The fourth proportional to 2,917.76, 4,026.55 and 1,591.53 is: 2,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.76 : 4,026.55 = 1,591.53 : x
  2. Step 2: Convert to fraction form
    2,917.76/4,026.55 = 1,591.53/x
  3. Step 3: Cross multiply
    2,917.76x = 4,026.55 × 1,591.53
  4. Step 4: Simplify right side
    2,917.76x = 6,408,375.12
  5. Step 5: Solve for x
    x = 6,408,375.12/2,917.76
  6. Step 6: Final answer
    x = 2,196.33

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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.