Home / 1,441.56-1,990.26-944.92

Finding the Fourth Proportional to 1,441.56, 1,990.26 and 944.92

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Solution

The fourth proportional to 1,441.56, 1,990.26 and 944.92 is: 1,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.56 : 1,990.26 = 944.92 : x
  2. Step 2: Convert to fraction form
    1,441.56/1,990.26 = 944.92/x
  3. Step 3: Cross multiply
    1,441.56x = 1,990.26 × 944.92
  4. Step 4: Simplify right side
    1,441.56x = 1,880,636.48
  5. Step 5: Solve for x
    x = 1,880,636.48/1,441.56
  6. Step 6: Final answer
    x = 1,304.58

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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.