Home / 1,334.41-2,001.68-946.15

Finding the Fourth Proportional to 1,334.41, 2,001.68 and 946.15

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Solution

The fourth proportional to 1,334.41, 2,001.68 and 946.15 is: 1,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.41 : 2,001.68 = 946.15 : x
  2. Step 2: Convert to fraction form
    1,334.41/2,001.68 = 946.15/x
  3. Step 3: Cross multiply
    1,334.41x = 2,001.68 × 946.15
  4. Step 4: Simplify right side
    1,334.41x = 1,893,890.85
  5. Step 5: Solve for x
    x = 1,893,890.85/1,334.41
  6. Step 6: Final answer
    x = 1,419.27

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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.