Home / 1,414.36-2,119.82-591.67

Finding the Fourth Proportional to 1,414.36, 2,119.82 and 591.67

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Solution

The fourth proportional to 1,414.36, 2,119.82 and 591.67 is: 886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.36 : 2,119.82 = 591.67 : x
  2. Step 2: Convert to fraction form
    1,414.36/2,119.82 = 591.67/x
  3. Step 3: Cross multiply
    1,414.36x = 2,119.82 × 591.67
  4. Step 4: Simplify right side
    1,414.36x = 1,254,236.92
  5. Step 5: Solve for x
    x = 1,254,236.92/1,414.36
  6. Step 6: Final answer
    x = 886.79

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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.