Home / 3,190.88-4,788.16-1,435.36

Finding the Fourth Proportional to 3,190.88, 4,788.16 and 1,435.36

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Solution

The fourth proportional to 3,190.88, 4,788.16 and 1,435.36 is: 2,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.88 : 4,788.16 = 1,435.36 : x
  2. Step 2: Convert to fraction form
    3,190.88/4,788.16 = 1,435.36/x
  3. Step 3: Cross multiply
    3,190.88x = 4,788.16 × 1,435.36
  4. Step 4: Simplify right side
    3,190.88x = 6,872,733.34
  5. Step 5: Solve for x
    x = 6,872,733.34/3,190.88
  6. Step 6: Final answer
    x = 2,153.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.